CH42533A
(en )
1909-02-01
Process for the manufacture of a leather substitute
CH43619A
(en )
1909-05-17
Process for the production of a vegetable felt
CH45099A
(en )
1909-10-16
Process for the production of an externally reinforced concrete body
CH52415A
(en )
1911-11-16
Process for the manufacture of a leather substitute
AT22844B
(en )
1906-01-25
Process for the production of a rubber substitute.
CH40980A
(en )
1908-09-01
Process for the production of artificial leather
CH43762A
(en )
1909-06-01
Process for the production of a new type of finishing agent
CH42449A
(en )
1909-02-01
Process for the production of an artificial stone
CH67114A
(en )
1914-11-02
Process for the production of a wood substitute
CH43322A
(en )
1909-04-16
Process for the production of artificial leather
CH47487A
(en )
1910-07-01
Process for the production of a disinfectant
CH46175A
(en )
1910-02-01
Process for the manufacture of footwear
CH73106A
(en )
1916-10-02
Process for the production of a leather substitute
CH43912A
(en )
1909-07-01
Process for the production of galvanic chromium deposits
CH40471A
(en )
1908-07-16
Process for the production of a fertilizer containing phosphate
CH44653A
(en )
1909-09-01
Process for the production of hard alcohol
CH43288A
(en )
1909-04-16
Process for the production of a firing material containing peat
CH40470A
(en )
1908-07-16
Process for making a new fertilizer
CH44580A
(en )
1909-09-01
Method of manufacturing a thermocouple
CH45901A
(en )
1910-01-03
Process for the production of ornamented stuff
AT71274B
(en )
1916-02-25
Process for the production of a tanning agent.
CH40170A
(en )
1908-06-16
Process for the preparation of a finishing agent
CH48917A
(en )
1910-12-16
Process for the preparation of a finishing agent
AT82990B
(en )
1921-02-25
Process for the production of a platical casein.
CH43864A
(en )
1909-06-16
Process for manufacturing components