CH63045A
(en )
1914-01-02
Process for the production of rash-free, color-stable, dark-colored asbestos-cement artificial stone panels
AT70872B
(en )
1916-01-10
Process for the production of artificial marble.
CH65491A
(en )
1914-06-16
Process for the production of hollow stones closed on all sides
CH67851A
(en )
1915-01-16
Process for the production of marble-like artificial stone slabs
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
CH66967A
(en )
1914-11-02
Process for the production of artificial marble
CH71161A
(en )
1915-12-01
Process for the production of portland cement
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
CH57225A
(en )
1912-12-16
Process for the production of artificial marble from hydraulic mortars
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
AT74183B
(en )
1918-02-25
Process for the production of artificial stone.
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH56522A
(en )
1912-11-01
Process for the production of artificial building blocks
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
CH74200A
(en )
1917-01-16
Process for the production of glazed asbestos-cement boards
CH67387A
(en )
1914-12-01
Process for the production of building blocks, roof tiles etc.
CH63494A
(en )
1914-02-02
Process for the production of components
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH73443A
(en )
1917-03-16
Process for the production of artificial slates
CH57227A
(en )
1912-12-16
Process for the production of artificial stones
CH65685A
(en )
1914-07-01
Process for the production of rammed asphalt
CH63365A
(en )
1914-01-16
Process for the production of nitrocellulose