DK28424C
(en )
1921-09-12
Process for the production of liquid-tight concrete and the like.
DK30570C
(en )
1922-11-06
Substance for the softening of water and the process for the preparation of the substance.
DK28454C
(en )
1921-09-19
Cement Pipe Making Machine.
DK33431C
(en )
1924-07-07
Method of Making Cement.
DK24842C
(en )
1919-08-11
Procedure for the manufacture of concrete shipbuilding and the like.
DK29666C
(en )
1922-05-29
Procedure for the Production of Trinitroresorcin.
DK28817C
(en )
1921-11-21
Machine for making bricks, blocks and the like of concrete or the like.
DK25821C
(en )
1920-04-12
Wall and Brick for the Manufacture of the same.
DK32459C
(en )
1923-11-05
Method of Making Cement.
DK35588C
(en )
1926-02-08
Method and Casting for the Production of Aerated Concrete.
DK26811C
(en )
1920-10-25
Method and Machine for Cementing Cement Products and the Like.
DK28980C
(en )
1921-12-12
Method of Making Cement.
DK28191C
(en )
1921-08-15
Machine for Bending and Creeping of Rods and similar Bodies.
DK28101C
(en )
1921-08-01
Building stone.
DK29104C
(en )
1922-01-02
Building stone.
DK27354C
(en )
1921-03-29
Cement bricks.
DK29735C
(en )
1922-06-12
Cement bricks.
DK38075C
(en )
1927-10-24
Procedure for the production of cement.
DK31244C
(en )
1923-02-05
Procedure for cold production of fast-binding building blocks and building materials.
DK29754C
(en )
1922-06-19
Process for the production of sodium cyanide.
DK27023C
(en )
1920-12-20
Procedure for Manufacturing Gypsum Concrete.
DK24829C
(en )
1919-08-04
Building material.
DK30835C
(en )
1922-11-27
Procedure for the manufacture of articles of timber.
DK37659C
(en )
1927-07-04
Method of Making Cement.
DK28837C
(en )
1921-11-21
Procedure for the Production of Ammonium Chloride.