DD98725A5 - - Google Patents
Info
- Publication number
- DD98725A5 DD98725A5 DD164021A DD16402172A DD98725A5 DD 98725 A5 DD98725 A5 DD 98725A5 DD 164021 A DD164021 A DD 164021A DD 16402172 A DD16402172 A DD 16402172A DD 98725 A5 DD98725 A5 DD 98725A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/02—Roof ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
- F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE769288A BE769288A (en) | 1971-06-30 | 1971-06-30 | REMOTELY CONTROLLED LANTERN QUICK OPENING DEVICE. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD98725A5 true DD98725A5 (en) | 1973-07-05 |
Family
ID=3858338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD164021A DD98725A5 (en) | 1971-06-30 | 1972-06-26 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3805449A (en) |
| AR (1) | AR194957A1 (en) |
| AT (1) | AT319801B (en) |
| BE (1) | BE769288A (en) |
| BR (1) | BR7204237D0 (en) |
| CA (1) | CA979032A (en) |
| DD (1) | DD98725A5 (en) |
| ES (1) | ES404356A1 (en) |
| FR (1) | FR2144270A5 (en) |
| GB (1) | GB1382497A (en) |
| IL (1) | IL39765A (en) |
| OA (1) | OA04110A (en) |
| ZA (1) | ZA724517B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2678308A1 (en) * | 1991-06-27 | 1992-12-31 | Bati Plast | Ventilation skylight forming a smoke vent in a roof with a high loading capability and wide angle of opening |
| FR2729690A1 (en) * | 1996-02-20 | 1996-07-26 | Bati Plast Sa | Roof smoke outlet closed by cable e.g. for ventilation of houses |
| CN105442982A (en) * | 2015-12-10 | 2016-03-30 | 尚高建材（长沙）有限公司 | Sky-light window of sunroom |
| CN118273248B (en) * | 2024-06-03 | 2024-09-06 | 山东省路桥集团有限公司 | Quick positioner of prefabricated box culvert structural connection |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3251158A (en) * | 1963-06-17 | 1966-05-17 | Plastic Products Of Texas Inc | Automatic roof vent |
| US3557497A (en) * | 1968-09-11 | 1971-01-26 | Robertson Co H H | Explosive pressure and/or heat and smoke venting unit |
-
1971
- 1971-06-30 BE BE769288A patent/BE769288A/en unknown
-
1972
- 1972-06-12 AR AR242493A patent/AR194957A1/en active
- 1972-06-16 FR FR7221763A patent/FR2144270A5/fr not_active Expired
- 1972-06-19 AT AT526572A patent/AT319801B/en not_active IP Right Cessation
- 1972-06-20 CA CA145,141A patent/CA979032A/en not_active Expired
- 1972-06-20 OA OA54611A patent/OA04110A/en unknown
- 1972-06-22 GB GB2939072A patent/GB1382497A/en not_active Expired
- 1972-06-26 DD DD164021A patent/DD98725A5/xx unknown
- 1972-06-27 IL IL39765A patent/IL39765A/en unknown
- 1972-06-27 US US00266782A patent/US3805449A/en not_active Expired - Lifetime
- 1972-06-28 ES ES404356A patent/ES404356A1/en not_active Expired
- 1972-06-29 BR BR4237/72A patent/BR7204237D0/en unknown
- 1972-06-30 ZA ZA724517A patent/ZA724517B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL39765A0 (en) | 1972-08-30 |
| US3805449A (en) | 1974-04-23 |
| OA04110A (en) | 1979-11-15 |
| ZA724517B (en) | 1973-06-27 |
| AT319801B (en) | 1975-01-10 |
| CA979032A (en) | 1975-12-02 |
| BR7204237D0 (en) | 1973-05-10 |
| FR2144270A5 (en) | 1973-02-09 |
| AR194957A1 (en) | 1973-08-30 |
| IL39765A (en) | 1975-02-10 |
| GB1382497A (en) | 1975-02-05 |
| BE769288A (en) | 1971-11-03 |
| ES404356A1 (en) | 1975-12-01 |