CH168644A
(en )
1934-04-30
Building curtain wall construction.
FR774581A
(en )
1934-12-08
Soundproof construction for buildings and similar applications
DK60298C
(en )
1942-11-02
Sound-regulating and sound-insulating Wall or Ceiling construction.
AT131928B
(en )
1933-02-25
Sound-absorbing wall and ceiling cladding.
CH189340A
(en )
1937-02-28
Wall construction.
IS308A7
(en )
1942-08-22
Renovation of or adjoining houses or buildings.
DK48006C
(en )
1933-11-13
Wall construction.
DK51878C
(en )
1936-07-13
Sound-absorbing and sound-insulating Floor separation.
DK35008C
(en )
1925-09-14
Ceiling and Wall Cladding.
FR848382A
(en )
1939-10-27
Soundproof suspended ceiling
DK49112C
(en )
1934-08-13
Sound-insulating Construction for Building Use and the like.
FR860950A
(en )
1941-01-28
Projector-modulator and uses thereof
DK61618C
(en )
1943-11-22
Percussion fire pipes.
FI19716A
(en )
1943-10-11
Building board
DK52972C
(en )
1937-04-19
Building board.
FR868752A
(en )
1942-01-15
transportable building
DK50794C
(en )
1935-10-21
Sound-insulating and sound-absorbing plate.
DK58610C
(en )
1941-04-21
Sound-insulating and sound-absorbing, multi-layered panels for building use and methods for the manufacture of such panels.
DK63155C
(en )
1945-02-05
Building board.
DK58040C
(en )
1940-09-30
Building element for the formation of a sound-stopping and sound-absorbing building construction.
FR868063A
(en )
1941-12-15
Building
DK60540C
(en )
1943-01-25
Building wall with Slab cladding.
DK46312C
(en )
1932-10-10
Sound-absorbing and sound-insulating Floor separation.
GR7505B
(en )
1938-07-08
DOORS OF ANTI-REPRESENTATIVE SHELTERS AND THEIR FIRE.
DK56694C
(en )
1939-09-18
Building stone.