AT177475B
(en )
1954-02-10
Process for the production of silicon switching elements of asymmetrical conductivity for signal conversion, in particular rectification
CH426741A
(en )
1966-12-31
Process and device for the production of pure silicon for electrical semiconductor devices
CH326318A
(en )
1957-12-15
Electrical element and process for its manufacture
FR1084564A
(en )
1955-01-20
Advanced electrical resistors
AT180300B
(en )
1954-11-25
Semiconductor element for electrical signal conversion and process for its manufacture
CH306764A
(en )
1955-04-30
Electrical switch and process for its manufacture.
AT180299B
(en )
1954-11-25
Semiconductor device for electrical signal conversion
CH316979A
(en )
1956-10-31
Electric signal system
AT172565B
(en )
1952-09-25
Terminal for electrical lines
AT180591B
(en )
1954-12-27
Semiconductor device for signal conversion
FR1081597A
(en )
1954-12-21
Electrical conductors and semiconductors
AT172656B
(en )
1952-10-10
Process for the production of aluminum oxide
AT180334B
(en )
1954-11-25
Electrical resistance and process for its manufacture
AT185846B
(en )
1956-06-11
Process for the manufacture of germanium elements for asymmetrically conductive electrical devices
FR1090505A
(en )
1955-03-31
Electric probes
FR63628E
(en )
1955-09-30
Manufacture of rubberized wire mesh
AT178972B
(en )
1954-07-10
Electric rectifier and process for its manufacture
AT173191B
(en )
1952-11-25
Phosphors and processes for their manufacture
AT187672B
(en )
1956-11-10
Formwork for the manufacture of structures
AT187214B
(en )
1956-10-25
Process for the production of conductor coils
AT176260B
(en )
1953-10-10
Copper oxide rectifier and process for its manufacture
AT179589B
(en )
1954-09-10
Process for the manufacture of semiconductors
AT171736B
(en )
1952-06-25
Detergent and process for its manufacture
AT177377B
(en )
1954-01-25
Electric master clock
AT178391B
(en )
1954-05-10
Process for the production of strip cables for the contact fields of voters