CH51458A
(en )
1911-09-01
Process for producing low-smoke shit powder
CH66647A
(en )
1914-10-01
Process for making low-smoke gunpowder
CH70994A
(en )
1915-11-16
Process for making low-smoke gunpowder
CH51290A
(en )
1911-08-16
Process for the production of low-smoke gunpowder
CH65639A
(en )
1914-07-01
Process for making sacks
CH54180A
(en )
1912-05-01
Process for the production of thin aluminum strips
CH53335A
(en )
1912-02-01
Process for the production of hydroquinine
CH53033A
(en )
1912-01-16
Process for the production of engobed machine bricks
CH54331A
(en )
1912-05-17
Process for the production of tubes from low-smoke gunpowder
CH51440A
(en )
1911-09-01
Process for the production of cocoa powder
CH57546A
(en )
1913-01-16
Process for the production of size
AT82991B
(en )
1921-02-25
Process for the production of hydrogen.
CH51815A
(en )
1911-09-16
Process for the manufacture of shaped articles
CH53246A
(en )
1912-02-01
Process for the production of hydrogen peroxide
CH57776A
(en )
1913-02-01
Process for the production of printing forms
CH52023A
(en )
1911-10-02
Process for the production of a tannin-silver-protein compound
CH55315A
(en )
1912-08-01
Process for the production of road surfaces
CH57979A
(en )
1913-02-17
Process for the production of hydrogen
CH57533A
(en )
1913-01-16
Process for the production of hydrogen
CH52308A
(en )
1911-11-01
Process for the production of black wedding rings
CH58958A
(en )
1913-04-16
Process for the production of so-called porous metals
CH54174A
(en )
1912-05-01
Process for the manufacture of pliable electrolyte iron
CH52116A
(en )
1911-11-01
Process for the production of plastic masses
AT53130B
(en )
1912-04-25
Process for the manufacture of manhole linings.
CH51271A
(en )
1911-08-16
Process for the production of cocoa powder