DK46174C
(en )
1932-09-12
Method for Manufacturing Raw Material for Cement Firing.
DK45445C
(en )
1932-03-29
Method for Manufacturing Refractory Stones.
DK47669C
(en )
1933-08-21
Procedure for Manufacturing Bricks.
DK47256C
(en )
1933-04-24
Method of Manufacturing Hydraulic Cement.
ES122476A3
(en )
1931-05-16
A procedure for the manufacture of marble-looking cement tiles.
DK43621C
(en )
1931-01-26
Procedure for the manufacture of cement roof tiles.
DK50412C
(en )
1935-07-08
Method for Manufacturing Water Resistant Cement.
DK57734C
(en )
1940-06-24
Apparatus for the manufacture of concrete tiles.
DK52255C
(en )
1936-10-05
Method of Making Cement.
DK55967C
(en )
1939-03-20
Procedure for the manufacture of cement or concrete articles.
DK48689C
(en )
1934-04-30
Method for Manufacturing Porous Building or Filling Materials.
DK45583C
(en )
1932-04-25
Method of Manufacturing Hydraulic Cement.
DK55213C
(en )
1938-09-12
Method for Manufacturing Insulating Light Stone Masses.
DK45235C
(en )
1932-02-15
Procedure for Manufacturing Bricks.
DK42053C
(en )
1930-04-14
Method of Making Feed Bread.
DK52566C
(en )
1937-01-11
Method for Making White Cement Clinker.
GR3942B
(en )
1932-12-15
CEMENT MANUFACTURING METHOD.
DK50621C
(en )
1935-09-02
Method for Manufacturing Concrete Roads.
DK47986C
(en )
1933-11-06
Procedure for Manufacturing Lynlaase.
DK37659C
(en )
1927-07-04
Method of Making Cement.
DK46155C
(en )
1932-09-05
Procedure for the production of lightweight concrete.
DK57873C
(en )
1940-08-05
Method for the manufacture of frost-resistant lightweight concrete bodies.
DK44733C
(en )
1931-10-19
Method of Making Feed Cakes.
DK46247C
(en )
1932-09-26
Method of Making Porous Pottery.
DK53166C
(en )
1937-05-31
Method for Manufacturing Porous Building Materials.