DK31244C
(en )
1923-02-05
Procedure for cold production of fast-binding building blocks and building materials.
DK34907C
(en )
1925-08-24
Procedure and Installation of Cement.
ES81510A1
(en )
1922-09-16
New form of cement blocks for architectural and engineering constructions.
DK35588C
(en )
1926-02-08
Method and Casting for the Production of Aerated Concrete.
DK30135C
(en )
1922-08-28
Building material of paper and wood and method of its manufacture.
DK37659C
(en )
1927-07-04
Method of Making Cement.
DK34242C
(en )
1925-03-09
Procedure for the manufacture of building blanks, insulating bodies and the like.
DK28424C
(en )
1921-09-12
Process for the production of liquid-tight concrete and the like.
DK32459C
(en )
1923-11-05
Method of Making Cement.
DK33431C
(en )
1924-07-07
Method of Making Cement.
GR1374B
(en )
1926-12-30
METHOD FOR THE MANUFACTURE OF PERPOSE BUILDING MATERIALS.
DK45366C
(en )
1932-03-07
Method for the production of dispersible and storage-resistant nitrophosphates.
DK45583C
(en )
1932-04-25
Method of Manufacturing Hydraulic Cement.
DK26381C
(en )
1920-08-02
Procedure for Forming Cement Products and the like.
DK35175C
(en )
1925-10-19
Procedure for the manufacture of burnt building materials and the like of clay.
GR783B
(en )
1924-12-16
NEW METHOD OF CONSTRUCTION OF BUILDING TILES.
DK38075C
(en )
1927-10-24
Procedure for the production of cement.
DK32579C
(en )
1923-12-03
Building stone.
DK35234C
(en )
1925-11-09
Procedure for Cooling and Hydration of Rotary Furnace Cement Clinker.
DK38843C
(en )
1928-06-04
Procedure for the production of paving.
DK33702C
(en )
1924-09-29
Casting for the manufacture of cement windows.
DK24842C
(en )
1919-08-11
Procedure for the manufacture of concrete shipbuilding and the like.
GR740B
(en )
1924-10-22
METHOD OF PRODUCTION OF POTASSIUM FERTILIZERS IN THE MANUFACTURE OF CEMENT (PORTLAND).
FR711479A
(en )
1931-09-10
Improved method and devices for the continuous manufacture of building bricks, and the like
ES100435A1
(en )
1927-02-01
An industrial procedure consisting of crystallized artificial stone.