CH49857A
(en )
1911-04-01
Process for the production of briquettes from porous fuels
CH43638A
(en )
1909-05-17
Process for the manufacture of an insulating material from peat
CH43589A
(en )
1909-05-17
Process for the production of wood briquettes
CH54624A
(en )
1912-06-01
Process for the production of briquettes from vegetable matter
CH76173A
(en )
1918-04-01
Process for the production of shaped pieces from coal dust
AT26304B
(en )
1906-11-10
Process for the production of coal gas and dense coke from pulverized coal.
CH51440A
(en )
1911-09-01
Process for the production of cocoa powder
CH48770A
(en )
1910-12-01
Process for the production of incandescent bodies from synthetic threads
CH43475A
(en )
1909-05-17
Process for the production of slowly burning flares
CH50097A
(en )
1911-04-17
Process for the production of alloys
AT57774B
(en )
1913-02-25
Process for the production of filter discs.
CH43288A
(en )
1909-04-16
Process for the production of a firing material containing peat
CH45985A
(en )
1910-01-17
Process for the production of shaped pieces from small cork
CH45967A
(en )
1910-01-17
Process for the production of tetrabromocatechol bismuth
CH40993A
(en )
1908-09-01
Process for the production of camphor
CH67386A
(en )
1914-12-01
Process for the production of artificial stones from peat
CH52110A
(en )
1911-11-01
Process for the production of hydrogen cyanide
CH43864A
(en )
1909-06-16
Process for manufacturing components
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
CH46245A
(en )
1910-02-16
Process for the production of electrical capacitors
CH36717A
(en )
1907-02-15
Equipment for the production of coal powder
CH46055A
(en )
1910-01-17
Process for the production of collecting walls for photos
CH51271A
(en )
1911-08-16
Process for the production of cocoa powder
CH49431A
(en )
1911-02-01
Process for the production of asbestos filters