FR179674A - - Google Patents
Info
- Publication number
- FR179674A FR179674A FR179674DA FR179674A FR 179674 A FR179674 A FR 179674A FR 179674D A FR179674D A FR 179674DA FR 179674 A FR179674 A FR 179674A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/04—Oscillators acting by spring tension
- G04B17/06—Oscillators with hairsprings, e.g. balance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR179674A true FR179674A (en) |
Family
ID=1367410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR179674D Active FR179674A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR179674A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5350511A (en) * | 1990-01-29 | 1994-09-27 | Yasuyuki Sakurada | Sewage purification apparatus |
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0
- FR FR179674D patent/FR179674A/fr active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5350511A (en) * | 1990-01-29 | 1994-09-27 | Yasuyuki Sakurada | Sewage purification apparatus |
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| JPWO1991011392A1 (en) | How to purify wastewater | |
| FR179674A (en) | ||
| JPS5455771U (en) |