CH50221A
(en )
1911-05-01
Process and device for the production of bonbonnières
CH48471A
(en )
1910-10-17
Process for the production of ethyl monochloroacetate
CH49763A
(en )
1911-03-16
Process for producing an alkali and chlorine-resistant ebonite
CH47830A
(en )
1910-08-16
Process for the mechanical production of metal letters and monograms
CH50097A
(en )
1911-04-17
Process for the production of alloys
CH52110A
(en )
1911-11-01
Process for the production of hydrogen cyanide
CH45940A
(en )
1910-01-17
Method and apparatus for the manufacture of rubber articles
CH49431A
(en )
1911-02-01
Process for the production of asbestos filters
CH54274A
(en )
1912-05-17
Method and device for the production of mica sheets
CH50659A
(en )
1911-06-16
Process for the production of structural parts
CH44528A
(en )
1909-08-16
Process for the production of cigarette paper and apparatus for carrying out this process
CH45108A
(en )
1909-10-16
Process for the production of picture frames
CH51422A
(en )
1911-09-01
Process for the production of over-spun buttons
CH48716A
(en )
1910-11-16
Process for the production of rubber stamps
CH47429A
(en )
1910-07-01
Process for the production of nitrogen silicon
CH52190A
(en )
1911-11-01
Process for the production of oxygen baths
CH52509A
(en )
Process for the production of oxygen baths
CH52711A
(en )
1911-12-16
Process and device for the production of atmospheric nitrogen
CH59359A
(en )
1913-05-02
Method and device for the production of glass vessels
CH48942A
(en )
1910-12-16
Process for the production of highly absorbent charcoal
CH50357A
(en )
1911-05-16
Process for the production of embroidery with air effects
CH64476A
(en )
1914-04-01
Process and device for the continuous production of hydrogen peroxide
CH57594A
(en )
1913-01-16
Method and device for the production of reliefs
CH58356A
(en )
1913-03-01
Process for the production of overlaid glass envelopes and glass vessels
CH57533A
(en )
1913-01-16
Process for the production of hydrogen