CH63810A
(en )
1914-06-16
Process for the waterproof impregnation of soft felt hats
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH67258A
(en )
1914-11-16
Process for the production of artificial sponge
CH68327A
(en )
1915-03-01
Process for the production of dichloro-o-cresyl carbonate
AT71551B
(en )
1916-04-25
Process for the production of roofing felt.
CH62289A
(en )
1913-11-17
Method of making briquettes
CH65476A
(en )
1914-06-16
Method of making blankets
CH61931A
(en )
1913-10-16
Process for the production of technically usable rubber substitute
CH63123A
(en )
1914-01-02
Process for the production of hydrogen chloride
CH62855A
(en )
1913-12-16
Process for making soap
CH65547A
(en )
1914-06-16
Process for the production of leather fats
CH63594A
(en )
1914-02-02
Process for the production of writing boards
CH63494A
(en )
1914-02-02
Process for the production of components
CH66503A
(en )
1914-09-16
Process for the production of calcium cyanamide
CH67004A
(en )
1914-11-02
Process for the manufacture of explosives
CH66043A
(en )
1914-08-01
Process for the production of leather
CH66044A
(en )
1914-08-01
Process for the production of leather
CH66042A
(en )
1914-08-01
Process for the production of leather
CH65140A
(en )
1914-05-16
Process for the production of leather
CH65740A
(en )
1914-07-16
Process for drying patent leather
CH64405A
(en )
1914-04-01
Process for creating room boundaries
CH63366A
(en )
1914-02-02
Process for the light treatment of patent leather
CH60521A
(en )
1913-07-16
Process for the manufacture of footwear
CH69145A
(en )
1915-06-01
Process for the production of impregnated polishing cloths
CH66508A
(en )
1914-09-16
Process for the production of shoe wax