CH272268A
(en )
1950-12-15
Process for electrodeposition of metal.
CH274247A
(en )
1951-03-31
Process for the electrolytic deposition of a metallic coating.
CH244896A
(en )
1946-10-15
Process for the machining of workpieces.
CH246252A
(en )
1946-12-31
Process for the production of completely or almost completely silicic acid-free cryolite.
AT172350B
(en )
1952-08-25
Process for surface finishing of metallic workpieces
FR938732A
(en )
1948-10-22
Polishing process
CH244247A
(en )
1946-08-31
Process for removing superficial contamination from materials of mineral origin.
AT177801B
(en )
1954-03-10
Process for surface finishing of metallic workpieces
CH318203A
(en )
1956-12-31
Process for the galvanic deposition of metals
CH227391A
(en )
1943-06-15
Process for surface hardening of workpieces.
CH260140A
(en )
1949-02-28
Process for the heat treatment of the surface of metal objects.
FR935926A
(en )
1948-07-05
Advanced process of polychrome wall decoration
CH292810A
(en )
1953-08-31
Process for the mechanical processing of light metals.
AT182235B
(en )
1955-06-10
Process for the production of metal powder or metal sponge
AT182801B
(en )
1955-08-10
Process for inductive high-frequency heating of workpieces
FR1090337A
(en )
1955-03-29
Surface coating process
AT169830B
(en )
1951-12-27
Process for the phosphating of metals
AT171646B
(en )
1952-06-25
Process for glass-metal fusion
AT169315B
(en )
1951-11-10
Process for the aluminothermic extraction of metals
AT177629B
(en )
1954-02-25
Process for the phosphating of metals
AT176114B
(en )
1953-09-25
Process for the production of physically developed metal contrasts
CA425145A
(en )
1945-01-16
Metal surface treating process
AT163431B
(en )
1949-07-11
Process for the production of melamine
AT177357B
(en )
1954-01-25
Process for improving the surface of skiing areas
AT171857B
(en )
1952-07-10
Process for the isolation of components