CH54334A
(en )
1912-05-17
Process for the production of synthetic wood
CH54792A
(en )
1912-06-17
Process for the production of wooden mats
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
CH57546A
(en )
1913-01-16
Process for the production of size
CH53303A
(en )
1912-02-01
Process for the production of imitations of fine woods
CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH57226A
(en )
1912-12-16
Process for the production of covering panels
CH57863A
(en )
1913-02-01
Process for the preparation of p-aminobenzoylquinine
CH57533A
(en )
1913-01-16
Process for the production of hydrogen
CH57979A
(en )
1913-02-17
Process for the production of hydrogen
CH70403A
(en )
1915-09-16
Process for the production of wood briquettes
CH57742A
(en )
1913-02-01
Process for the production of colored chains
CH55344A
(en )
1912-08-01
Process for the production of artificial threads
CH61039A
(en )
1913-09-01
Process for the production of wooden panels
CH63365A
(en )
1914-01-16
Process for the production of nitrocellulose
CH72948A
(en )
1916-08-01
Process for the production of reversible shoes
CH63494A
(en )
1914-02-02
Process for the production of components
CH56851A
(en )
1912-12-02
Process for the production of shoe polish
CH55564A
(en )
1912-08-16
Process for the production of metal paper
CH78372A
(en )
1918-07-16
Process for the manufacture of stamps
CH50659A
(en )
1911-06-16
Process for the production of structural parts
CH62853A
(en )
1913-12-16
Process for the production of paints
CH64710A
(en )
1914-04-16
Process for the production of paints
CH57227A
(en )
1912-12-16
Process for the production of artificial stones
CH52279A
(en )
1911-11-01
Process for the production of tannin extracts