DK49815C
(en )
1935-01-28
Procedure for the Production of Dihydroresorcin.
DK50256C
(en )
1935-05-20
Building sets, consisting of building blocks with clamps determined for their comparison.
DK57247C
(en )
1940-02-05
Procedure for the manufacture of waste-free hydraulic binders, in particular Portland cement.
DK54545C
(en )
1938-04-04
Process for the Preparation of 2,4-Dioxo-3,3-dialkyltetrahydropyridines.
DK55095C
(en )
1938-08-15
Fastener for pipes of brittle material, such as glass pipes.
DK50412C
(en )
1935-07-08
Method for Manufacturing Water Resistant Cement.
DK49968C
(en )
1935-03-04
Procedure for the manufacture of resistant, oxygen-releasing detergents.
DK55967C
(en )
1939-03-20
Procedure for the manufacture of cement or concrete articles.
FR788024A
(en )
1935-10-02
Mosaic tile
DK51699C
(en )
1936-06-02
Method for Manufacturing Heat Resistant Insulation Materials.
DK50163C
(en )
1935-04-23
Brick.
DK51216C
(en )
1936-02-03
Procedure for the manufacture of explosives.
DK54126C
(en )
1938-01-03
Procedure for Manufacturing Lime Sandstone.
DK47669C
(en )
1933-08-21
Procedure for Manufacturing Bricks.
DK50242C
(en )
1935-05-13
Procedure for the manufacture of insulation boards of pipes.
DK50615C
(en )
1935-09-02
Indoor Heating System.
DK56338C
(en )
1939-06-19
Procedure for the manufacture of tiles.
ES1619Y
(en )
1933-10-16
Hollow brick.
DK55521C
(en )
1938-12-05
Process for the Preparation of Amino-m-Phenanthrolines.
DK55496C
(en )
1938-11-28
Process for the Preparation of Substituted Amino-m-Phenanthrolines.
DK47842C
(en )
1933-10-02
Cutting Table for Brick Making.
DK50788C
(en )
1935-10-21
Building stone.
DK54976C
(en )
1938-07-18
Process for the preparation of 3-alkoxy-4-oxybenzaldehydes.
DK57871C
(en )
1940-08-05
Procedure for the production of lightweight concrete.
DK55213C
(en )
1938-09-12
Method for Manufacturing Insulating Light Stone Masses.