DK44507C
(en )
1931-08-17
Procedure for the Production of Vanillin.
DK41963C
(en )
1930-03-31
Procedure for the Manufacture of Pavement Material.
DK43966C
(en )
1931-04-07
Procedure for the Manufacture of Pavements.
DK46065C
(en )
1932-08-15
Procedure for the manufacture of plastics.
DK44285C
(en )
1931-06-29
Procedure for the Manufacture of Footwear.
DK44638C
(en )
1931-09-28
Procedure for the manufacture of a road construction material.
DK42950C
(en )
1930-09-15
Procedure for the production of bituminous paper.
DK46211C
(en )
1932-09-19
Procedure for the Manufacture of Road Construction Materials.
DK38843C
(en )
1928-06-04
Procedure for the production of paving.
DK44663C
(en )
1931-10-05
Procedure in the Manufacture of Pavement Materials.
DK42495C
(en )
1930-06-30
Procedure for the Manufacture of Textiles.
DK44473C
(en )
1931-08-10
Procedure for the manufacture of fertilizers.
DK43621C
(en )
1931-01-26
Procedure for the manufacture of cement roof tiles.
DK45320C
(en )
1932-02-29
Procedure for the Production of Cellulite.
DK43008C
(en )
1930-09-22
Procedure for the production of raster negatives.
DK43411C
(en )
1930-11-24
Procedure for the manufacture of resilient clamping plates.
DK41888C
(en )
1930-03-24
Procedure for Improving the Dispersibility of Nitrophosphates.
DK46614C
(en )
1932-12-12
Procedure for the Manufacture of Footwear.
DK45235C
(en )
1932-02-15
Procedure for Manufacturing Bricks.
DK49402C
(en )
1934-10-15
Procedure for the manufacture of plastics.
DK44603C
(en )
1931-09-14
Device for the production of upholstery material.
DK38075C
(en )
1927-10-24
Procedure for the production of cement.
DK46063C
(en )
1932-08-15
Procedure for the Production of Art Sacrifices.
DK41284C
(en )
1929-12-16
Procedure for the manufacture of a rubber-like substance.
DK44546C
(en )
1931-08-31
Procedure for the Production of Hormone Preparations.