CH58034A
(en )
1913-02-17
Process for rolling out aluminum foils in sheet form in layers
CH55754A
(en )
1912-09-02
Process for coloring aluminum foils
CH70775A
(en )
1915-10-16
Process for cutting lines in sheet metal
CH78133A
(en )
1918-11-16
Process for punching nuts or similar workpieces in a cold state
CH77236A
(en )
1918-03-16
Duplicating machine
CH64248A
(en )
1914-03-16
Method of collecting sheets
AT71089B
(en )
1916-02-10
Process for pickling hollow bodies.
FR437647A
(en )
1912-04-25
Sheet turner for sheet music
CH77548A
(en )
1918-05-01
Method and device for double-sided smoothing of rough sheet paper
CH72856A
(en )
1916-07-17
Process for drawing thin-walled pipes
CH60548A
(en )
1913-07-16
Process for processing waste paper
CH74761A
(en )
1917-04-02
Process for welding embedded rails or other fixed workpieces
AT76704B
(en )
1919-06-10
Process for emulsifying fatty bodies.
ES73864A1
(en )
1920-08-16
Improvements in machinery or apparatus for the manufacture of tinplate and other similar metal-clad plates or sheets.
CH56652A
(en )
1912-11-16
Process for impregnating long timber
AT57817B
(en )
1913-02-25
Process for preparing printing plates.
CH75456A
(en )
1917-12-17
Process for printing with writing and other letterpress forms
CH55067A
(en )
1912-07-16
Device for producing perforations in structural parts
CH50955A
(en )
1911-07-17
Device for winding up embroidery strips in layers
CH71033A
(en )
1915-11-16
Process for denicotinizing tobacco leaves
CH70776A
(en )
1915-11-01
Method for gluing paper
CH71231A
(en )
1915-12-16
Process for impregnating wood
CH56096A
(en )
1912-10-01
Process for cleaning metal objects
CH72381A
(en )
1916-05-01
Process for pickling pelts
CH63853A
(en )
1914-03-02
Machine for making perforations in rolled material for bridges, steam boilers, hulls or the like