DK58041C
(en )
1940-09-30
Mold for Casting Floor Separations and Similar Building Parts.
DK58687C
(en )
1941-05-19
Mold for Casting Floor Separations and Similar Building Parts.
DK55697C
(en )
1939-01-16
Bookbinding Procedure.
DK55090C
(en )
1938-08-15
Hollow Building Stone and Floor Separation Made of the Same.
DK57734C
(en )
1940-06-24
Apparatus for the manufacture of concrete tiles.
FR836595A
(en )
1939-01-20
perfected sewer
GR6593B
(en )
1937-06-16
PROVERSIONS - LIFEGUATS FOR QUICK SWIMMING.
DK56694C
(en )
1939-09-18
Building stone.
DK57402C
(en )
1940-03-18
Procedure for Manufacturing Building Materials.
DK58798C
(en )
1941-06-23
Procedure for the production of cast objects, in particular of concrete.
DK57386C
(en )
1940-03-18
Holstein for Construction of Floor Separations and Roofs.
DK49608C
(en )
1934-12-03
Cast Building Element.
DK57085C
(en )
1939-12-27
Procedure for Manufacturing Masonry.
DK59799C
(en )
1942-05-26
Procedure for the Introduction of Lead in Steel.
DK54527C
(en )
1938-03-28
Stairs made of reinforced concrete and adjustable molds for casting the steps and beams of the stairs.
DK59289C
(en )
1941-12-08
Procedure for Cladding Plasterers.
FR826068A
(en )
1938-03-22
Concrete
DK50646C
(en )
1935-09-09
Procedure and Device for Manufacturing Concrete Castings Using Shocks.
DK71294C
(en )
1950-07-24
Method and mold for molding toy building elements.
DK55174C
(en )
1938-09-05
Method for bonding molds for concrete casting.
DK55333C
(en )
1938-10-10
Method for Manufacturing Porous Lightweight Concrete.
DK57349C
(en )
1940-03-04
Vehicle Load Checking Apparatus.
DK58504C
(en )
1941-03-17
Vermegivende Materiale til Varmebede og Fremgangsmaade til dets Fremstilling.
DK48897C
(en )
1934-06-18
Machine for Casting Cement or Concrete pipes and the like.
DK56259C
(en )
1939-06-06
Hollow Building Stone.