CH51755A
(en )
1911-09-16
Wet magnetic divorce method
CH50322A
(en )
1911-05-16
Method of manufacturing grooved rail frogs
CH42443A
(en )
1909-02-01
Wallcovering method
CH54307A
(en )
1912-05-01
Procedure for removing rust stains
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH49730A
(en )
1911-03-16
Process for manufacturing components
CH54601A
(en )
1912-06-01
Process for manufacturing components
CH49835A
(en )
1911-04-01
Method for the representation of hexabromoindigo
CH50546A
(en )
1911-06-01
Process for the permanent tinning of copper and brass objects
CH51530A
(en )
1911-09-01
Process for making electrical resistors
CH57062A
(en )
1912-12-02
Process for de-enamelling enamelled objects
CH42567A
(en )
1909-02-01
Process for reducing alumina
CH49434A
(en )
1911-02-01
Process for the preparation of dehydroindigobisulfite
CH49760A
(en )
1911-03-16
Process for the preparation of ketobutanol
CH49761A
(en )
1911-03-16
Process for the preparation of b-methyltetramethylenediamine
CH49907A
(en )
1911-04-01
Process for the preparation of diethylgallocyanine
CH50161A
(en )
1911-05-01
Process for the preparation of methylketobutanol
CH52767A
(en )
1912-01-02
Process for the mosaic-like decoration of surfaces
CH59344A
(en )
1913-05-02
Process for increasing the air permeability of plastered surfaces
CH42643A
(en )
1909-02-16
Method for short-circuit braking of electric motors
CH47008A
(en )
1910-05-02
Process for the manufacture of pipes from sheet iron
CH47956A
(en )
1910-09-01
Process for the preparation of salicylaldehyde
CH46055A
(en )
1910-01-17
Process for the production of collecting walls for photos