CH305860A
(en )
1955-03-15
Process for manufacturing semiconductor elements.
CH342657A
(en )
1959-11-30
Method of manufacturing semiconductor elements
CH317133A
(en )
1956-11-15
Process for polymerizing acrylonitrile
CH297565A
(en )
1954-03-31
Method for manufacturing commutators.
AT176498B
(en )
1953-10-26
Method of retarding the setting of cements
AT189476B
(en )
1957-04-10
Process for metallizing non-conductors
CH318203A
(en )
1956-12-31
Process for the galvanic deposition of metals
AT181080B
(en )
1955-02-10
Method for bending solid wood
CH318445A
(en )
1957-01-15
Process for the recovery of dimethylnitrosamine
CH278946A
(en )
1951-11-15
Method for gluing surfaces.
AT183517B
(en )
1955-10-25
Process for the production of steels containing lead
CH300304A
(en )
1954-07-31
Process for the production of polyacrylonitrile threads.
AT177640B
(en )
1954-02-25
Procedure for preparing grains
CH312198A
(en )
1955-12-31
Process for bleaching soaps.
AT180881B
(en )
1955-01-25
Method for numbering detonator wires
AT180405B
(en )
1954-12-10
Method for dissolving polyacrylonitrile
AT178731B
(en )
1954-06-10
Procedure for flue grinding
AT181915B
(en )
1955-05-10
Method for crimping synthetic threads
AT182402B
(en )
1955-06-25
Method for hardening rail heads
AT180147B
(en )
1954-11-10
Process for purifying germanium
CH311304A
(en )
1955-11-30
Process for purifying germanium.
NL168550B
(en )
METHOD FOR PREPARING A DETERGENT.
CH312969A
(en )
1956-03-15
Method of reinforcing elastomers
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis
AT175868B
(en )
1953-08-25
Process for stabilizing peracids