GR2175B
(en )
1929-02-21
METHOD FOR MANUFACTURE OF WHITE SAND (CEMENT), FROM PAINTERS BC CONTAINING IRON RAW MATERIALS.
FR617601A
(en )
1927-02-23
Process for making an improved cement or plaster
DK43931C
(en )
1931-03-30
Method for Making White Cement of Colored, e.g. ferrous, Raw materials.
DK39311C
(en )
1928-10-01
Procedure for the production of cement concrete mixtures.
DK43621C
(en )
1931-01-26
Procedure for the manufacture of cement roof tiles.
AT121544B
(en )
1931-02-25
Process for the manufacture of fire-resistant building material.
BE354957A
(en )
1928-11-30
Process for the manufacture of white cement using colored materials, for example iron.
DK42837C
(en )
1930-08-25
Mixing sieve, especially for Mixing of finer Cement mortar.
FR667469A
(en )
1929-10-17
Gouge for making clogs
FR696663A
(en )
1931-01-06
Process for the manufacture of detonators
DK43008C
(en )
1930-09-22
Procedure for the production of raster negatives.
DK43842C
(en )
1931-03-16
Apparatus for the Production of Cellulosexantogenate.
CH145390A
(en )
1931-02-28
Process and furnace system for the production of molten cement.
DK46063C
(en )
1932-08-15
Procedure for the Production of Art Sacrifices.
DK48967C
(en )
1934-07-09
Process for the production of cement or cement mixtures containing arsenic compounds.
GR2152B
(en )
1929-02-09
METHOD OF PRODUCTION OF MATERIAL COMPOSITION (ASPHALT ARTIST).
GR1374B
(en )
1926-12-30
METHOD FOR THE MANUFACTURE OF PERPOSE BUILDING MATERIALS.
DK38562C
(en )
1928-03-19
Cement brick machine.
DK37659C
(en )
1927-07-04
Method of Making Cement.
DK33414C
(en )
1924-07-07
Cement Brick Making Machine.
DK38075C
(en )
1927-10-24
Procedure for the production of cement.
FR590946A
(en )
1925-06-25
Process for the concrete construction of the main elements of buildings
ES115607A1
(en )
1929-12-01
A process and device for the manufacture of molten cements.
FR671696A
(en )
1929-12-16
Process for the production of blue coloring materials
GR824B
(en )
1925-02-06
METHOD OF INVESTMENT FOR CEMENTS OF CEMENT.