CH229755A
(en )
1943-11-15
Method and device for synchronizing alternating voltages.
CH248047A
(en )
1947-04-15
Process and device for shaping workpieces.
CH243348A
(en )
1946-07-15
Process and system for the continuous digestion of fiber material.
CH265582A
(en )
1949-12-15
Set of components for the construction of clamping devices for workpieces and of gauges.
US2398046A
(en )
1946-04-09
Indicating apparatus and method
CH256243A
(en )
1948-08-15
Method and apparatus for piercing objects.
CH241406A
(en )
1946-03-15
Method and apparatus for concentration.
CH307619A
(en )
1955-06-15
Method and device for filtering liquids.
AT170818B
(en )
1952-03-25
Method and device for operating television systems
CH343554A
(en )
1959-12-31
Method and device for operating glow discharges
CH242574A
(en )
1946-05-31
Method and device for dry spinning of synthetic fibers.
AT164050B
(en )
1949-09-26
Method and device for winding rayon
AT269322B
(en )
1969-03-10
Method and device for cleaning crude oil
CH232782A
(en )
1944-06-15
Method and device for evaluating recording strips.
CH243748A
(en )
1946-07-31
Method and device for time modulation.
CH239964A
(en )
1945-11-30
Method and device for reproducing color transparencies.
FR892919A
(en )
1944-05-24
Method and device for cleaning metal surfaces
CH225880A
(en )
1943-02-28
Method and device for electro-inductive heating of metallic workpieces.
CH230586A
(en )
1944-01-15
Procedure and arrangement for operating inverters.
CH225747A
(en )
1943-02-28
Method and device for burning cement.
CH238668A
(en )
1945-08-15
Method and device for ripening viscose.
CH248275A
(en )
1947-04-30
Method and device for pre-grinding surfaces of optical prisms.
CH234883A
(en )
1944-10-31
Method and device for operating single or multi-phase transformers for direct current
CH258966A
(en )
1948-12-31
Method and device for electroforming rectifier elements.
AT182032B
(en )
1955-05-25
Device for disinfecting liquids and method for operating the device