DK46761C
(en )
1933-01-16
Procedure for Making Yeast.
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.
DK34609C
(en )
1925-06-15
Method for Manufacturing Porous Building Materials.
DK37169C
(en )
1927-02-21
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.
DK35324C
(en )
1925-11-30
Method for Manufacturing Porous Concrete.
DK43764C
(en )
1931-02-23
Method for Manufacturing Porous Concrete.
DK40119C
(en )
1929-05-06
Method for Manufacturing Porous Building Materials.
DK38118C
(en )
1927-11-07
Method for Manufacturing Insulation Materials.
DK40438C
(en )
1929-07-08
Method for Manufacturing a Porous Building Material.
DK33046C
(en )
1924-04-07
Procedure for Manufacturing a Porous Portland Cement Building Material.
DK32459C
(en )
1923-11-05
Method of Making Cement.
DK38573C
(en )
1928-03-19
Method for Making a Porous or Cellular Cement.
DK45671C
(en )
1932-05-17
Method for Manufacturing Solid Carbon Blocks.
DK35391C
(en )
1925-12-14
Melting Cement Manufacturing Plant.
DK35678C
(en )
1926-02-22
Procedure for Manufacturing Perleessens.
DK37018C
(en )
1927-01-17
Method for Manufacturing Metal Compounds.
DK37562C
(en )
1927-06-07
Method for Manufacturing Metal Compounds.
DK42088C
(en )
1930-04-22
Method for the production of solid, porous insulation materials.
DK33702C
(en )
1924-09-29
Casting for the manufacture of cement windows.
DK38029C
(en )
1927-10-03
Method for Manufacturing Impregnated Wood.
DK33414C
(en )
1924-07-07
Cement Brick Making Machine.