CH49431A
(en )
1911-02-01
Process for the production of asbestos filters
AT46651B
(en )
1911-02-25
Process for the manufacture of tubes.
CH50097A
(en )
1911-04-17
Process for the production of alloys
CH50659A
(en )
1911-06-16
Process for the production of structural parts
AT41185B
(en )
1910-02-25
Process for the production of artificial marble.
CH58823A
(en )
1913-04-01
Process for the production of metal layers
CH51422A
(en )
1911-09-01
Process for the production of over-spun buttons
CH51440A
(en )
1911-09-01
Process for the production of cocoa powder
CH47559A
(en )
1910-07-16
Process for the production of dense coatings
CH43182A
(en )
1909-06-01
Process for the manufacture of filter crucibles
CH47405A
(en )
1910-07-01
Process for the production of appliqué curtains
CH48576A
(en )
1910-11-01
Process for the production of cellulose solutions
CH49399A
(en )
1911-02-01
Process for the production of cellulose solutions
CH49756A
(en )
1911-03-16
Process for the production of calcium carbide fittings
CH47178A
(en )
1910-06-01
Process for the manufacture of surface coolers
CH48045A
(en )
1910-09-01
Process for the production of hollow ceilings
CH50536A
(en )
1911-06-01
Process for the manufacture of filters
CH49534A
(en )
1911-02-16
Process for the production of porous building blocks
CH49730A
(en )
1911-03-16
Process for manufacturing components
CH54601A
(en )
1912-06-01
Process for manufacturing components
AT57774B
(en )
1913-02-25
Process for the production of filter discs.
CH49382A
(en )
1911-02-01
Process for the production of magnesia cement
CH50248A
(en )
1911-05-16
Process for the production of gear drives and gear drives produced by means of the same
CH51271A
(en )
1911-08-16
Process for the production of cocoa powder
CH45967A
(en )
1910-01-17
Process for the production of tetrabromocatechol bismuth