CH57227A
(en )
1912-12-16
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
CH58857A
(en )
1913-04-01
Process for the production of artificial stones
CH55344A
(en )
1912-08-01
Process for the production of artificial threads
CH57919A
(en )
1913-02-17
Process for the production of artificial lithography stones
AT78008B
(en )
1919-08-25
Process for the production of artificial stones from porphyry or similar volcanic stones.
CH64663A
(en )
1914-04-16
Process for the production of colored patterned artificial stones
CH56835A
(en )
1912-12-02
Process for the production of artificial tobacco leaves
CH55503A
(en )
1912-08-16
Process for the production of porous artificial stones
CH59100A
(en )
1913-04-16
Device for the production of artificial stones
AT71253B
(en )
1916-02-25
Process for the production of artificial stones from porphyry or similar volcanic rocks.
CH67386A
(en )
1914-12-01
Process for the production of artificial stones from peat
CH59641A
(en )
1913-06-02
Process for the production of artificial threads
CH73443A
(en )
1917-03-16
Process for the production of artificial slates
CH55203A
(en )
1912-07-16
Process for the production of low-nicotine and light tobacco
CH68920A
(en )
1915-05-01
Process for the production of artificial leather
CH64900A
(en )
1914-05-01
Process for the production of artificial structures from viscose
CH56855A
(en )
1912-11-16
Process for the production of artificial leather
CH55389A
(en )
1912-08-16
Process for the production of cartridge cases
AT74183B
(en )
1918-02-25
Process for the production of artificial stone.
CH56308A
(en )
1912-11-01
Process for the production of quartz hollow bodies
CH57701A
(en )
1913-02-01
Process for the production of agents against plant pests
CH57546A
(en )
1913-01-16
Process for the production of size
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.