DK44507C
(en )
1931-08-17
Procedure for the Production of Vanillin.
DK40438C
(en )
1929-07-08
Method for Manufacturing a Porous Building Material.
GR2074B
(en )
1928-12-10
METHOD OF MAKING TSAROUCHI.
ES106901A1
(en )
1928-06-01
A method of manufacturing a new construction material.
DK46749C
(en )
1933-01-09
Method of Making a Sound Insulating Material.
DK43696C
(en )
1931-02-09
Method of Manufacturing Concrete.
DK43098C
(en )
1930-10-06
Procedure for Foundation of Structures.
DK42100C
(en )
1930-04-22
Method for Manufacturing a Pavement Material.
DK41969C
(en )
1930-03-31
Machine for the production of diatomaceous earth and asbestos bowls and plates.
DK46143C
(en )
1932-09-05
Method for Manufacturing Bladder Concrete.
DK45583C
(en )
1932-04-25
Method of Manufacturing Hydraulic Cement.
DK41260C
(en )
1929-12-09
Method of Making Wallpaper.
FI11944A
(en )
1928-04-19
Procedure for making margarine
DK44002C
(en )
1931-04-13
Procedure for Manufacturing Artificial Asphalt.
GR1942B
(en )
1928-08-13
NEW BUILDING MATERIAL.
DK46680C
(en )
1932-12-27
Method of Making a Sealant.
DK44714C
(en )
1931-10-19
Method for Making Artificial Masses.
DK37659C
(en )
1927-07-04
Method of Making Cement.
DK42053C
(en )
1930-04-14
Method of Making Feed Bread.
DK39010C
(en )
1928-07-16
Method of Making a Copper-Iron Alloy.
DK39976C
(en )
1929-04-02
Apparatus for the manufacture of a food preservative.
ES106357A3
(en )
1928-04-16
A device of molds for the manufacture of building elements.
DK41758C
(en )
1930-03-03
Butter Making Machine.
IS33B6
(en )
1930-12-12
Devices for making brine
DK42437C
(en )
1930-06-23
Procedure for Manufacturing Asphalt Pulp.