CH63366A
(en )
1914-02-02
Process for the light treatment of patent leather
CH73468A
(en )
1916-10-02
Process for the production of calcium cyanamide
CH65740A
(en )
1914-07-16
Process for drying patent leather
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH65547A
(en )
1914-06-16
Process for the production of leather fats
CH67000A
(en )
1914-11-02
Process for the production of calcium cyanamide
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH67004A
(en )
1914-11-02
Process for the manufacture of explosives
CH63494A
(en )
1914-02-02
Process for the production of components
CH68668A
(en )
1915-04-01
Process for the production of artificial sole leather
CH66503A
(en )
1914-09-16
Process for the production of calcium cyanamide
CH71191A
(en )
1915-12-01
Process for the production of methyl chloride
CH68327A
(en )
1915-03-01
Process for the production of dichloro-o-cresyl carbonate
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
CH77932A
(en )
1918-06-17
Process for the production of calcium cyanamide
CH63124A
(en )
1914-01-02
Process for the production of disodium cyanamide
CH60521A
(en )
1913-07-16
Process for the manufacture of footwear
CH68920A
(en )
1915-05-01
Process for the production of artificial leather
CH67258A
(en )
1914-11-16
Process for the production of artificial sponge
CH56851A
(en )
1912-12-02
Process for the production of shoe polish
CH66508A
(en )
1914-09-16
Process for the production of shoe wax
CH79939A
(en )
1919-01-16
Process for the production of fibers
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.
CH73574A
(en )
1916-10-16
Process for the production of oxygen
CH77381A
(en )
1918-09-02
Process for the production of artificial leather