CH67201A
(en )
1914-11-16
Process for the manufacture of cement asbestos bricks and the like
CH62755A
(en )
1914-02-02
process for the production of fire-proof and heat-insulating material
AT57793B
(en )
1913-02-25
Method and device for the production of asbestos cement panels.
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
DE173035C
(en )
1906-07-05
PROCESS FOR THE MANUFACTURE OF IRON CONCRETE STRUCTURES
CH65479A
(en )
1914-06-16
Stone sleeve and method of making the same
CH69997A
(en )
1915-08-02
Process for the reproduction of noble types of stone, majolica and clay tiles
NL74C
(en )
1913-12-15
Process for the manufacture of imitation marble slabs
CH71161A
(en )
1915-12-01
Process for the production of portland cement
CH49382A
(en )
1911-02-01
Process for the production of magnesia cement
CH67851A
(en )
1915-01-16
Process for the production of marble-like artificial stone slabs
CH67763A
(en )
1915-01-16
Process and drum furnace for the continuous production of calcium cyanamide
CH63964A
(en )
1914-03-02
Process for the production of cement in rotary kilns
CH63963A
(en )
1914-03-02
Process for the manufacture of cement articles and machine for practicing the same
CH67854A
(en )
1915-04-01
Process for the manufacture of concrete piles
CH61865A
(en )
1913-10-16
Process and device for the production of molded artificial stone
CH66777A
(en )
1914-10-16
Process for the manufacture of pipe fittings
CH61637A
(en )
1913-10-01
Hollow brick for the production of T-beams and ceilings
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH72152A
(en )
1916-04-01
Method and device for the production of sand-lime bricks
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH73169A
(en )
1916-08-16
Process for the production of insulating material for walls and floors
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
CH51068A
(en )
1911-07-17
Process for the production of artificial stone slabs
CH50173A
(en )
1911-05-01
Process for the production of artificial stone slabs