CH45595A
(en )
1909-12-01
Process for the manufacture of porous ceramic products
CH51440A
(en )
1911-09-01
Process for the production of cocoa powder
AT41185B
(en )
1910-02-25
Process for the production of artificial marble.
CH50097A
(en )
1911-04-17
Process for the production of alloys
CH49382A
(en )
1911-02-01
Process for the production of magnesia cement
CH49534A
(en )
1911-02-16
Process for the production of porous building blocks
CH47178A
(en )
1910-06-01
Process for the manufacture of surface coolers
CH47559A
(en )
1910-07-16
Process for the production of dense coatings
CH49431A
(en )
1911-02-01
Process for the production of asbestos filters
CH43182A
(en )
1909-06-01
Process for the manufacture of filter crucibles
CH49904A
(en )
1911-04-01
Process for the production of porous barium oxide
CH51271A
(en )
1911-08-16
Process for the production of cocoa powder
CH51422A
(en )
1911-09-01
Process for the production of over-spun buttons
CH51815A
(en )
1911-09-16
Process for the manufacture of shaped articles
CH48045A
(en )
1910-09-01
Process for the production of hollow ceilings
CH44653A
(en )
1909-09-01
Process for the production of hard alcohol
CH47007A
(en )
1910-05-16
Process for the production of raw hard hollow bodies from metal strips
CH47429A
(en )
1910-07-01
Process for the production of nitrogen silicon
CH50466A
(en )
1911-06-01
Process for the production of parquet floors
CH50659A
(en )
1911-06-16
Process for the production of structural parts
CH66000A
(en )
1914-08-01
Process for the production of incandescent bodies
CH58958A
(en )
1913-04-16
Process for the production of so-called porous metals
CH48470A
(en )
1910-10-17
Process for the production of aluminum nitride
CH58823A
(en )
1913-04-01
Process for the production of metal layers
AT32028B
(en )
1908-02-25
Process for the production of incandescent bodies.