DK53166C
(en )
1937-05-31
Method for Manufacturing Porous Building Materials.
DK55333C
(en )
1938-10-10
Method for Manufacturing Porous Lightweight Concrete.
DK48689C
(en )
1934-04-30
Method for Manufacturing Porous Building or Filling Materials.
DK52124C
(en )
1936-09-07
Method of Manufacturing Concrete.
DK51444C
(en )
1936-03-23
Method of Making Cement.
DK57402C
(en )
1940-03-18
Procedure for Manufacturing Building Materials.
DK52034C
(en )
1936-08-17
Building Stone Forming Machine.
DK57871C
(en )
1940-08-05
Procedure for the production of lightweight concrete.
DK57872C
(en )
1940-08-05
Method for Manufacturing Lightweight Concrete Bodies.
DK50065C
(en )
1935-03-25
Procedure for the manufacture of building boards.
DK50777C
(en )
1935-10-14
Procedure for the manufacture of building boards.
DK57978C
(en )
1940-09-09
Method for Manufacturing Porous Fillers for Building Materials.
DK54680C
(en )
1938-05-02
Method for Manufacturing Seamless Roofing.
DK56185C
(en )
1939-05-15
Method for Manufacturing Decorated Surfaces.
GR3942B
(en )
1932-12-15
CEMENT MANUFACTURING METHOD.
DK53377C
(en )
1937-07-26
Procedure for the manufacture of shutters.
DK52912C
(en )
1937-04-05
Procedure for Manufacturing Reinforced Masonry.
DK52255C
(en )
1936-10-05
Method of Making Cement.
DK40119C
(en )
1929-05-06
Method for Manufacturing Porous Building Materials.
DK53707C
(en )
1937-10-11
Method for Manufacturing Multiple Hollow Glass Building Blocks.
DK51732C
(en )
1936-06-08
Procedure for Dyeing Asbestos-Cement Materials.
DK51672C
(en )
1936-05-25
Method for Manufacturing Reinforced Concrete Structures.
DK52368C
(en )
1936-11-30
Procedure for the manufacture of desiccants.
DK53102C
(en )
1937-05-18
Method and Machine for Manufacturing Concrete Pipes.
DK55213C
(en )
1938-09-12
Method for Manufacturing Insulating Light Stone Masses.