CH72856A
(en )
1916-07-17
Process for drawing thin-walled pipes
AT71089B
(en )
1916-02-10
Process for pickling hollow bodies.
CH71801A
(en )
1916-02-16
Process for denicotinizing tobacco
CH74126A
(en )
1917-01-16
Process for evaporation of liquids
AT75538B
(en )
1919-02-25
Process for cleaning liquids.
CH75755A
(en )
1918-02-16
Method for dividing containers
CH55562A
(en )
1912-09-02
Process for lining cylindrical objects with soft metal
CH70732A
(en )
1915-10-16
Process for gasifying sewer sludge
CH68864A
(en )
1915-05-01
Method of painting
CH61744A
(en )
1913-10-16
Process for hardening metals
AT89325B
(en )
1922-09-11
Process for coloring metal surfaces.
CH69212A
(en )
1915-06-01
Clamp for connecting branch pipes
CH74133A
(en )
1917-01-16
Process for the regeneration of base exchange materials
CH61994A
(en )
1913-11-01
Device for holding barrels
CH74760A
(en )
1917-04-02
Cleaning house for cleaning workpieces
CH71033A
(en )
1915-11-16
Process for denicotinizing tobacco leaves
CH63395A
(en )
1914-01-16
Tool for straightening pipes
FR482617A
(en )
1917-04-05
Method for testing filter bodies
CH78443A
(en )
1918-07-16
Process for rounding and simultaneously profiling pipes
FR521644A
(en )
1921-07-16
Process for joining tubes
CH61416A
(en )
1913-09-16
Process for evaporation of liquids
CH74918A
(en )
1917-05-01
Method for moving wall covering tiles
CH69253A
(en )
1915-06-01
Method of wrapping objects
CH67012A
(en )
1914-11-02
Process for decarburizing metals
CH66774A
(en )
1914-10-01
Process for cleaning metals