DK40119C
(en )
1929-05-06
Method for Manufacturing Porous Building Materials.
DK40438C
(en )
1929-07-08
Method for Manufacturing a Porous Building Material.
DK43764C
(en )
1931-02-23
Method for Manufacturing Porous Concrete.
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.
DK48689C
(en )
1934-04-30
Method for Manufacturing Porous Building or Filling Materials.
DK38118C
(en )
1927-11-07
Method for Manufacturing Insulation 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.
DK43696C
(en )
1931-02-09
Method of Manufacturing Concrete.
DK45235C
(en )
1932-02-15
Procedure for Manufacturing Bricks.
DK42088C
(en )
1930-04-22
Method for the production of solid, porous insulation materials.
DK35324C
(en )
1925-11-30
Method for Manufacturing Porous Concrete.
DK37476C
(en )
1927-05-16
Concrete slab for building use and method for manufacturing the same.
DK40608C
(en )
1929-08-12
Method for Manufacturing Dried Superphosphate.
DK45888C
(en )
1932-07-04
Procedure for Manufacturing Shards.
DK45671C
(en )
1932-05-17
Method for Manufacturing Solid Carbon Blocks.
DK42058C
(en )
1930-04-14
Method for Manufacturing a Flooring.
DK41195C
(en )
1929-12-02
Procedure for Manufacturing Wall Tiles.
DK38451C
(en )
1928-02-20
Element for Manufacturing Walls in Buildings.
DK38573C
(en )
1928-03-19
Method for Making a Porous or Cellular Cement.
DK43397C
(en )
1930-11-24
Method for Manufacturing Depolarization Masses for Galvanic Elements.