CH73073A
(en )
1916-08-01
Process for the manufacture of cement and asbestos slabs
CH73266A
(en )
1916-09-16
Process for the simultaneous manufacture of cement and soda
CH70249A
(en )
1915-09-01
Process and furnace for the manufacture of cement or hydraulic lime
FR487110A
(en )
1918-06-05
Manufacturing process of a slag cement
FR469149A
(en )
1914-07-24
Process for the production of cement and similar mortar materials
FR490898A
(en )
1919-05-13
Process and machine for the manufacture of reinforced cement blocks
CH71889A
(en )
1916-03-01
Process for the production of white cement
FR465552A
(en )
1914-04-20
Mold for the manufacture of compressed cement tiles
FR507082A
(en )
1920-09-04
Machine for the production of cement pipes
FR17524E
(en )
1913-10-02
Improved process for manufacturing cement slabs
FR449441A
(en )
1913-02-26
Improved process for manufacturing cement slabs
FR19528E
(en )
1915-02-26
Method and apparatus for the manufacture of cement or hydraulic lime
FR466518A
(en )
1914-05-15
Method and apparatus for the manufacture of cement or hydraulic lime
FR475074A
(en )
1915-04-09
Process and molds for the construction of monolithic buildings
FR428950A
(en )
1911-09-11
Process for the manufacture of reinforced cement hollow posts
FR477084A
(en )
1915-09-22
Manufacture of glossy cement slabs and tiles
FR491127A
(en )
1919-05-22
Molding machines and molds for the manufacture of cement and concrete pipes
FR481825A
(en )
1917-01-23
Manufacturing process and assembly of parts in cement and reinforced plaster for constructions
FR19807E
(en )
1915-10-01
Process for the manufacture of white cement
FR19808E
(en )
1915-10-01
Process for the manufacture of white cement
FR468527A
(en )
1914-07-08
Process for the manufacture of white cement
FR470694A
(en )
1914-09-24
Manufacturing process of colored magnesium oxychloride cement plates
FR480285A
(en )
1916-07-12
Process for the production of artificial stones
FR458485A
(en )
1913-10-11
Tamping machine for the manufacture of cement pipes
FR478585A
(en )
1915-12-22
Portland cement manufacturing process