CH55344A
(en )
1912-08-01
Process for the production of artificial threads
CH59641A
(en )
1913-06-02
Process for the production of artificial threads
CH59261A
(en )
1913-05-02
Process for the manufacture of electrolytic capacitors
CH57227A
(en )
1912-12-16
Process for the production of artificial stones
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
CH57546A
(en )
1913-01-16
Process for the production of size
CH56522A
(en )
1912-11-01
Process for the production of artificial building blocks
CH55914A
(en )
1912-09-16
Process for the manufacture of feathered fabrics
CH53936A
(en )
1912-04-16
Process for the production of cellulose threads
CH56835A
(en )
1912-12-02
Process for the production of artificial tobacco leaves
CH54334A
(en )
1912-05-17
Process for the production of synthetic wood
CH67258A
(en )
1914-11-16
Process for the production of artificial sponge
CH64900A
(en )
1914-05-01
Process for the production of artificial structures from viscose
CH58857A
(en )
1913-04-01
Process for the production of artificial stones
CH59610A
(en )
1913-06-02
Process for the production of artificial stones
CH61357A
(en )
1913-09-16
Process for the production of artificial stones
CH57533A
(en )
1913-01-16
Process for the production of hydrogen
CH57979A
(en )
1913-02-17
Process for the production of hydrogen
CH68920A
(en )
1915-05-01
Process for the production of artificial leather
CH56855A
(en )
1912-11-16
Process for the production of artificial leather
CH56329A
(en )
1912-10-16
Method of making artificial threads
CH57863A
(en )
1913-02-01
Process for the preparation of p-aminobenzoylquinine
CH63494A
(en )
1914-02-02
Process for the production of components
CH77246A
(en )
1918-03-16
Process for the electrolytic production of persons
CH73443A
(en )
1917-03-16
Process for the production of artificial slates