AT71253B
(en )
1916-02-25
Process for the production of artificial stones from porphyry or similar volcanic rocks.
AT78008B
(en )
1919-08-25
Process for the production of artificial stones from porphyry or similar volcanic stones.
AT74183B
(en )
1918-02-25
Process for the production of artificial stone.
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
CH60927A
(en )
1913-08-16
Process for the production of artificial stones from natural rock waste
CH67386A
(en )
1914-12-01
Process for the production of artificial stones from peat
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH57227A
(en )
1912-12-16
Process for the production of artificial stones
CH68920A
(en )
1915-05-01
Process for the production of artificial leather
CH62767A
(en )
1913-12-16
process for the production of a plaster composed of artificial stones
CH64663A
(en )
1914-04-16
Process for the production of colored patterned artificial stones
CH50173A
(en )
1911-05-01
Process for the production of artificial stone slabs
CH51068A
(en )
1911-07-17
Process for the production of artificial stone slabs
CH55503A
(en )
1912-08-16
Process for the production of porous artificial stones
AT63556B
(en )
1914-02-25
Process for the production of artificial sponge.
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.
CH63362A
(en )
1914-02-02
Process for the production of shaped pieces from common salt
CH55878A
(en )
1912-09-16
Process for the production of artificial gemstones with undulating light from quartz
CH57919A
(en )
1913-02-17
Process for the production of artificial lithography stones
CH57225A
(en )
1912-12-16
Process for the production of artificial marble from hydraulic mortars
CH67851A
(en )
1915-01-16
Process for the production of marble-like artificial stone slabs
CH52149A
(en )
1911-11-01
Process for the production of bodies that imitate wood or stone cuts
CH75891A
(en )
1918-01-02
Process for the production of structural parts from calcium or calcium alloys