CH67763A
(en )
1915-01-16
Process and drum furnace for the continuous production of calcium cyanamide
CH67761A
(en )
1915-01-16
Process and furnace for the production of calcium cyanamide
CH67000A
(en )
1914-11-02
Process for the production of calcium cyanamide
CH73468A
(en )
1916-10-02
Process for the production of calcium cyanamide
CH66503A
(en )
1914-09-16
Process for the production of calcium cyanamide
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
CH52269A
(en )
1911-11-01
Process and furnace for the continuous production of calcium cyanamide from calcium carbide and nitrogen
CH77932A
(en )
1918-06-17
Process for the production of calcium cyanamide
CH80534A
(en )
1919-03-01
Process for the production of granulated calcium cyanamide
CH63124A
(en )
1914-01-02
Process for the production of disodium cyanamide
CH71328A
(en )
1915-12-16
Process for the direct production of ammonium sulfate from calcium cyanamide and gypsum
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
CH71191A
(en )
1915-12-01
Process for the production of methyl chloride
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH64917A
(en )
1914-05-01
Process and machine for the manufacture of footwear
CH68822A
(en )
1915-04-16
Process and machine for the manufacture of footwear
CH61239A
(en )
1913-09-16
Method and machine for the production of flat profile pieces
CH67760A
(en )
1915-01-02
Process for the preparation of calcium carbide
CH51114A
(en )
1911-08-01
Process for the production of calcium nitrite
CH64712A
(en )
1914-04-16
Process for the manufacture of detonators for mining and military purposes
CH65860A
(en )
1914-07-16
Process for the manufacture of detonators for mining and military purposes
CH65861A
(en )
1914-07-16
Process for the manufacture of detonators for mining and military purposes
CH66699A
(en )
1914-10-01
Process for the production of frisé goods