DK48689C
(en )
1934-04-30
Method for Manufacturing Porous Building or Filling Materials.
DK43764C
(en )
1931-02-23
Method for Manufacturing Porous Concrete.
DK40119C
(en )
1929-05-06
Method for Manufacturing Porous Building Materials.
DK53166C
(en )
1937-05-31
Method for Manufacturing Porous Building Materials.
DK40438C
(en )
1929-07-08
Method for Manufacturing a Porous Building Material.
DK34609C
(en )
1925-06-15
Method for Manufacturing Porous Building Materials.
DK34860C
(en )
1925-08-10
Method for Manufacturing Porous Building Materials.
DK35244C
(en )
1925-11-09
Method for Manufacturing Porous Building Materials.
DK37169C
(en )
1927-02-21
Method for Manufacturing Porous Building Materials.
DK46247C
(en )
1932-09-26
Method of Making Porous Pottery.
DK47669C
(en )
1933-08-21
Procedure for Manufacturing Bricks.
DK47256C
(en )
1933-04-24
Method of Manufacturing Hydraulic Cement.
DK43822C
(en )
1931-03-09
Procedure for Making Yeast.
DK46211C
(en )
1932-09-19
Procedure for the Manufacture of Road Construction Materials.
DK57978C
(en )
1940-09-09
Method for Manufacturing Porous Fillers for Building Materials.
DK55333C
(en )
1938-10-10
Method for Manufacturing Porous Lightweight Concrete.
DK45235C
(en )
1932-02-15
Procedure for Manufacturing Bricks.
DK46174C
(en )
1932-09-12
Method for Manufacturing Raw Material for Cement Firing.
DK32764C
(en )
1924-01-28
Method for Manufacturing Porous Building Materials.
DK32877C
(en )
1924-02-18
Method for Manufacturing Porous Building Materials.
DK31916C
(en )
1923-07-02
Method for Manufacturing Porous Building Materials.
DK47986C
(en )
1933-11-06
Procedure for Manufacturing Lynlaase.
DK47556C
(en )
1933-07-17
Procedure for Manufacturing Reinforced Walls.
DK45671C
(en )
1932-05-17
Method for Manufacturing Solid Carbon Blocks.
DK45888C
(en )
1932-07-04
Procedure for Manufacturing Shards.