DK46761C
(en )
1933-01-16
Procedure for Making Yeast.
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.
DK34609C
(en )
1925-06-15
Method for Manufacturing Porous Building Materials.
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.
DK35324C
(en )
1925-11-30
Method for Manufacturing Porous Concrete.
DK40438C
(en )
1929-07-08
Method for Manufacturing a Porous Building Material.
DK40119C
(en )
1929-05-06
Method for Manufacturing Porous Building Materials.
DK43764C
(en )
1931-02-23
Method for Manufacturing Porous Concrete.
DK38118C
(en )
1927-11-07
Method for Manufacturing Insulation Materials.
DK38573C
(en )
1928-03-19
Method for Making a Porous or Cellular Cement.
DK38029C
(en )
1927-10-03
Method for Manufacturing Impregnated Wood.
DK48689C
(en )
1934-04-30
Method for Manufacturing Porous Building or Filling Materials.
DK45235C
(en )
1932-02-15
Procedure for Manufacturing Bricks.
DK45671C
(en )
1932-05-17
Method for Manufacturing Solid Carbon Blocks.
DK41195C
(en )
1929-12-02
Procedure for Manufacturing Wall Tiles.
DK42359C
(en )
1930-06-02
Method for Manufacturing Asphalt-Like Road Construction Materials.
DK33046C
(en )
1924-04-07
Procedure for Manufacturing a Porous Portland Cement Building Material.
DK36401C
(en )
1926-08-23
Method for Manufacturing Porous Masses for Gas Storage.
DK38451C
(en )
1928-02-20
Element for Manufacturing Walls in Buildings.
DK55333C
(en )
1938-10-10
Method for Manufacturing Porous Lightweight Concrete.
DK37069C
(en )
1927-01-31
Procedure for Manufacturing Piles.