DK46761C
(en )
1933-01-16
Procedure for Making Yeast.
DK38118C
(en )
1927-11-07
Method for Manufacturing Insulation Materials.
DK42042C
(en )
1930-04-14
Method for Manufacturing an Insulation and Construction Material.
DK40989C
(en )
1929-10-28
Method for Manufacturing Electrical Resistors.
DK40967C
(en )
1929-10-21
Method for Manufacturing Plastic Capsule Materials.
DK41195C
(en )
1929-12-02
Procedure for Manufacturing Wall Tiles.
DK42359C
(en )
1930-06-02
Method for Manufacturing Asphalt-Like Road Construction Materials.
DK38659C
(en )
1928-04-10
Method for Manufacturing Waterproof Cardboard.
DK40336C
(en )
1929-06-24
Method for Manufacturing Selenium Cells.
DK40119C
(en )
1929-05-06
Method for Manufacturing Porous Building Materials.
DK40438C
(en )
1929-07-08
Method for Manufacturing a Porous Building Material.
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.
DK34860C
(en )
1925-08-10
Method for Manufacturing Porous Building Materials.
DK40901C
(en )
1929-10-07
Straafordeler til Mejemaskiner.
DK39849C
(en )
1929-02-25
High Quality Resin Manufacturing Method.
DK39846C
(en )
1929-02-25
High Quality Resin Manufacturing Method.
DK39847C
(en )
1929-02-25
High Quality Resin Manufacturing Method.
DK39848C
(en )
1929-02-25
High Quality Resin Manufacturing Method.
DK44953C
(en )
1931-12-07
Method for Manufacturing Mica Plates.
DK38451C
(en )
1928-02-20
Element for Manufacturing Walls in Buildings.
DK32877C
(en )
1924-02-18
Method for Manufacturing Porous Building Materials.
DK32764C
(en )
1924-01-28
Method for Manufacturing Porous Building Materials.
DK45235C
(en )
1932-02-15
Procedure for Manufacturing Bricks.