|
NO810254A
NO810254L
(en)
|
1980-01-29 |
1981-01-26 |
HOLSTEIN BLOCK SYSTEM.
|
|
ZA82373A
ZA82373B
(en)
|
1981-01-26 |
1982-01-20 |
Hollow building block and building block system
|
|
LU83889A
LU83889A1
(en)
|
1981-01-26 |
1982-01-21 |
HOLLOW CONSTRUCTION BLOCK AND CONSTRUCTION BLOCK SYSTEM
|
|
DE19823201832
DE3201832A1
(en)
|
1981-01-26 |
1982-01-21 |
HOLLOW BLOCK AND MODULAR SYSTEM BASED ON IT
|
|
FR8200908A
FR2498661B1
(en)
|
1981-01-26 |
1982-01-21 |
HOLLOW CONSTRUCTION BLOCK AND CONSTRUCTION BLOCK SYSTEM
|
|
GB8201654A
GB2092201B
(en)
|
1981-01-26 |
1982-01-21 |
Building block
|
|
NL8200243A
NL8200243A
(en)
|
1981-01-26 |
1982-01-22 |
CAVE CONSTRUCTION BLOCK AND CONSTRUCTION BLOCK SYSTEM.
|
|
IN94/CAL/82A
IN156082B
(en)
|
1981-01-26 |
1982-01-22 |
|
|
IL64831A
IL64831A0
(en)
|
1981-01-26 |
1982-01-22 |
Hollow building block and building block system
|
|
PT74337A
PT74337B
(en)
|
1981-01-26 |
1982-01-25 |
Hollow building block and building block
|
|
CH424/82A
CH658698A5
(en)
|
1981-01-26 |
1982-01-25 |
HOLLOW BLOCK.
|
|
BE0/207131A
BE891886A
(en)
|
1981-01-26 |
1982-01-25 |
HOLLOW CONSTRUCTION BLOCK AND CONSTRUCTION BLOCK SYSTEM
|
|
FI820215A
FI820215L
(en)
|
1981-01-26 |
1982-01-25 |
IHAOLIGT BYGGNADSELEMENT OCH BYGGNADSELEMENTSYSTEM
|
|
AT245/82A
ATA24582A
(en)
|
1981-01-26 |
1982-01-25 |
HOLLOW BLOCK
|
|
BR8200369A
BR8200369A
(en)
|
1981-01-26 |
1982-01-25 |
HOLLOW CONSTRUCTION BLOCK AND CONSTRUCTION BLOCK SYSTEM
|
|
AU79791/82A
AU559428B2
(en)
|
1981-01-26 |
1982-01-25 |
Hollow building block
|
|
DK30482A
DK30482A
(en)
|
1981-01-26 |
1982-01-25 |
HOLE BUILDING BLOCKS AND SYSTEM OF HOLE BUILDING BLOCKS
|
|
MA19580A
MA19375A1
(en)
|
1981-01-26 |
1982-01-26 |
Building block and building block system
|
|
AR288246A
AR229522A1
(en)
|
1981-01-26 |
1982-01-26 |
HOLLOW BUILDING BLOCK
|
|
CA000394909A
CA1181610A
(en)
|
1981-01-26 |
1982-01-26 |
Hollow building block and building block system
|
|
JP57011428A
JPS5833663A
(en)
|
1981-01-26 |
1982-01-26 |
Building hollow block
|
|
IT19296/82A
IT1190671B
(en)
|
1981-01-26 |
1982-01-26 |
CABLE BLOCK FOR BUILDING CONSTRUCTION AND BUILDING CONSTRUCTION SYSTEM USING SUCH BLOCKS
|
|
MX191140A
MX157166A
(en)
|
1981-01-26 |
1982-01-26 |
IMPROVEMENTS IN PREFABRICATED BUILDING HOLLOW BLOCK
|
|
IE157/82A
IE52309B1
(en)
|
1981-01-26 |
1982-01-26 |
Hollow building block and building block system
|
|
SG969/87A
SG96987G
(en)
|
1981-01-26 |
1987-11-04 |
Hollow building block and building block system
|