CH49382A
(en )
1911-02-01
Process for the production of magnesia cement
CH49756A
(en )
1911-03-16
Process for the production of calcium carbide fittings
AT41185B
(en )
1910-02-25
Process for the production of artificial marble.
CH51422A
(en )
1911-09-01
Process for the production of over-spun buttons
CH48045A
(en )
1910-09-01
Process for the production of hollow ceilings
CH50659A
(en )
1911-06-16
Process for the production of structural parts
CH49534A
(en )
1911-02-16
Process for the production of porous building blocks
AT31807B
(en )
1908-02-10
Process for the production of magnesia cement compounds.
CH45261A
(en )
1909-11-01
Process for the production of a magnesia cement
CH50466A
(en )
1911-06-01
Process for the production of parquet floors
CH50462A
(en )
1911-06-01
Process for the production of waterproof building materials
CH50097A
(en )
1911-04-17
Process for the production of alloys
CH47559A
(en )
1910-07-16
Process for the production of dense coatings
CH41583A
(en )
1908-11-02
Process for the continuous production of calcium carbide
CH51114A
(en )
1911-08-01
Process for the production of calcium nitrite
CH49431A
(en )
1911-02-01
Process for the production of asbestos filters
CH57546A
(en )
1913-01-16
Process for the production of size
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH44584A
(en )
1909-09-01
Process for the production of insulating pipes
CH49904A
(en )
1911-04-01
Process for the production of porous barium oxide
AT36344B
(en )
1909-02-25
Process for the production of asbestos cement panels.
CH49851A
(en )
1911-04-01
Process for the production of clay bricks with dry pressing
CH58823A
(en )
1913-04-01
Process for the production of metal layers
CH48470A
(en )
1910-10-17
Process for the production of aluminum nitride
CH52190A
(en )
1911-11-01
Process for the production of oxygen baths