CH56782A
(en )
1912-11-16
Process for exposing colored additions contained in the surface of plastering
CH54192A
(en )
1912-05-01
Process for cleaning buildings
CH74126A
(en )
1917-01-16
Process for evaporation of liquids
CH64851A
(en )
1914-05-01
Process for the preparation of a vat dye
CH56096A
(en )
1912-10-01
Process for cleaning metal objects
CH76206A
(en )
1917-11-16
Process for the reproduction of surface patterns
CH73174A
(en )
1916-09-01
Process for coloring artificial stone work
CH52068A
(en )
1911-10-16
Process for the preparation of a cement waterproofing agent
CH62658A
(en )
1913-12-16
Method of making fire boxes
CH55754A
(en )
1912-09-02
Process for coloring aluminum foils
CH59321A
(en )
1913-05-02
Process for the preparation of a related dye
CH59320A
(en )
1913-05-02
Process for the preparation of a related dye
CH54667A
(en )
1912-06-17
Method of depositing tissue
CH57055A
(en )
1912-12-16
Process for the preparation of a vat dye
CH56473A
(en )
1912-11-01
Process for the preparation of a vat dye
CH55680A
(en )
1912-09-02
Process for the preparation of a vat dye
CH55679A
(en )
1912-09-02
Process for the preparation of a vat dye
CH55678A
(en )
1912-09-02
Process for the preparation of a vat dye
CH55677A
(en )
1912-09-02
Process for the preparation of a vat dye
CH55676A
(en )
1912-09-02
Process for the preparation of a vat dye
CH55553A
(en )
1912-08-16
Process for the preparation of a vat dye
CH54688A
(en )
1912-06-01
Process for the preparation of a vat dye
CH54427A
(en )
1912-05-17
Process for the preparation of a vat dye
CH54426A
(en )
1912-05-17
Process for the preparation of a vat dye
CH54329A
(en )
1912-05-17
Process for the preparation of a vat dye