ES174655A1
(en )
1946-10-01
IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF ELASTIC FLOORS.
DK55090C
(en )
1938-08-15
Hollow Building Stone and Floor Separation Made of the Same.
DK56259C
(en )
1939-06-06
Hollow Building Stone.
DK56469C
(en )
1939-07-24
Hollow Building Stone.
SU34143A1
(en )
1934-01-31
Hollow building stone
DK57416C
(en )
1940-03-26
Hollow Building Stone.
DK55020C
(en )
1938-07-25
Glued Wooden Building Board and Procedure for Manufacturing the Same.
DK56694C
(en )
1939-09-18
Building stone.
DK55318C
(en )
1938-10-10
Wooden building board.
DK46933C
(en )
1933-02-13
Procedure for the manufacture of floor coverings and the like.
ES148846A3
(en )
1942-03-01
IMPROVEMENTS IN THE CONSTRUCTION OF BUILDING FLOORS
DK58040C
(en )
1940-09-30
Building element for the formation of a sound-stopping and sound-absorbing building construction.
FR818701A
(en )
1937-10-02
building elements
FR609870A
(en )
1926-08-25
Improvements in the manufacture of partitions and ceilings
ES106301A1
(en )
1928-04-01
An improvement in the manufacture of tiles and ceramics in general.
DK57402C
(en )
1940-03-18
Procedure for Manufacturing Building Materials.
ES143593A1
(en )
1941-06-16
Improvements in the manufacture of cement.
DK53300C
(en )
1937-07-12
Floor separation of Hulsten and Jærnbeton.
DK53851C
(en )
1937-11-15
Procedure for the formation of room joints in concrete decks and similar decks.
DK46451C
(en )
1932-11-14
Board or Plank and Procedure for Manufacturing the Same.
DK50788C
(en )
1935-10-21
Building stone.
DK43380C
(en )
1930-11-17
Sight with Wood Edge and Procedure for Manufacturing the Same.
GR2366B
(en )
1929-07-10
PERFECTIONS IN THE CONSTRUCTION OF DIVING ROOMS.
GR6628B
(en )
1937-07-07
BUILDING INSULATION TILES.
ES5272Y
(en )
1944-06-16
Vaults for the construction of floors in buildings.