DK49364C
(en )
1934-10-08
Procedure for Continuous Production of Chlorine Sub-Acidification.
DK52255C
(en )
1936-10-05
Method of Making Cement.
DK51444C
(en )
1936-03-23
Method of Making Cement.
DK52896C
(en )
1937-03-30
Method of Manufacturing Concrete.
DK47256C
(en )
1933-04-24
Method of Manufacturing Hydraulic Cement.
GR3942B
(en )
1932-12-15
CEMENT MANUFACTURING METHOD.
DK52124C
(en )
1936-09-07
Method of Manufacturing Concrete.
FR759565A
(en )
1934-02-05
Cement
DK52566C
(en )
1937-01-11
Method for Making White Cement Clinker.
DK55967C
(en )
1939-03-20
Procedure for the manufacture of cement or concrete articles.
CH167411A
(en )
1934-02-28
Building block.
DK57871C
(en )
1940-08-05
Procedure for the production of lightweight concrete.
DK54485C
(en )
1938-03-21
Method of Manufacture of Magnium.
DK56338C
(en )
1939-06-19
Procedure for the manufacture of tiles.
DK50412C
(en )
1935-07-08
Method for Manufacturing Water Resistant Cement.
DK50230C
(en )
1935-05-13
Procedure for the production of special malt.
DK49193C
(en )
1934-08-27
Procedure for Treatment of Cement Concrete.
DK47142C
(en )
1933-03-27
Method of Manufacture of Fertilizers.
DK56214C
(en )
1939-05-22
Method of Making Cement.
DK50621C
(en )
1935-09-02
Method for Manufacturing Concrete Roads.
DK50063C
(en )
1935-03-25
Method of Making Soda Soap Powder.
DK50065C
(en )
1935-03-25
Procedure for the manufacture of building boards.
DK50777C
(en )
1935-10-14
Procedure for the manufacture of building boards.
DK47507C
(en )
1933-07-03
Procedure for Hardening Clay.
DK50472C
(en )
1935-07-29
Procedure for the Construction of Reinforced Concrete Walls.