CH175164A
(en )
1935-02-16
Device for treating the skin.
CH193481A
(en )
1937-10-15
Device for time and zone counting in telecommunications systems.
AT142471B
(en )
1935-07-25
Process for keeping steam turbine systems in readiness for load and device for this purpose.
CH160978A
(en )
1933-04-15
Device for making plant holes.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
CH185928A
(en )
1936-08-31
Device for making butter.
CH189396A
(en )
1937-02-28
Method and device for the fermentation of solutions.
CH176837A
(en )
1935-05-15
Method and device for applying a guarantee of origin to the leaves of plants intended for sale.
CH209603A
(en )
1940-04-30
Method and device for hardening glass plates and other glass objects.
CH201663A
(en )
1938-12-15
Method and device for the continuous conversion of coordinates.
CH212823A
(en )
1940-12-31
Method and device for manufacturing flycatchers.
CH182753A
(en )
1936-02-29
Device for the graphic display of series of numbers.
CH207833A
(en )
1939-12-15
Method and device for ventilating beehives.
CH174108A
(en )
1934-12-31
Method and device for producing perspective drawings.
CH173401A
(en )
1934-11-30
Method and device for producing filter plugs for cigarettes.
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
CH210952A
(en )
1940-08-15
Device for making flycatchers.
CH181103A
(en )
1935-11-30
Disinfection method.
AT140652B
(en )
1935-02-25
Method and device for the production of pipes reinforced in places from fiber cement.
AT140711B
(en )
1935-02-25
Method for fastening slotted bushings in bores and devices for carrying out the same.
CH190548A
(en )
1937-04-30
Disinfection method.
CH168039A
(en )
1934-03-31
Wreath inlay and process for their manufacture.
AT144763B
(en )
1936-02-25
Method and device for extinguishing arcs.
CH182664A
(en )
1936-02-29
Process and system for waste destruction.
CH185861A
(en )
1936-08-31
Device for the quick unbinding of cattle.