CH363756A
(en )
1962-08-15
Method for manufacturing an ion vacuum pump
CH386584A
(en )
1965-01-15
Process for creating an electric glow discharge of great intensity
CH318053A
(en )
1956-12-15
Process for the production of a cathode for electric discharge tubes
CH352381A
(en )
1961-02-28
Method of making an electrical connector
CH251015A
(en )
1947-09-30
Method for manufacturing an electrical coil and coil manufactured according to this method.
CH457376A
(en )
1968-06-15
Method of making an electrode
AT168852B
(en )
1951-09-10
Method for manufacturing an electrical switching unit
CH354168A
(en )
1961-05-15
A method of manufacturing an electrical semiconductor device and a semiconductor device manufactured by this method
CH319753A
(en )
1957-02-28
A method of manufacturing an electric semiconductor device
CH409146A
(en )
1966-03-15
Method of manufacturing an electric coil
CH265959A
(en )
1949-12-31
Method of manufacturing an electrical cable.
AT187204B
(en )
1956-10-25
Method of manufacturing an electric discharge tube
CH324205A
(en )
1957-09-15
Method of making an iron foil
AT185886B
(en )
1956-06-11
Method of manufacturing an electric discharge tube
AT171035B
(en )
1952-04-25
Method of manufacturing electric discharge tubes
CH437454A
(en )
1967-06-15
Method of manufacturing an electrical cable
CH323452A
(en )
1957-07-31
Process for the manufacture of an oxide cathode
CH329547A
(en )
1958-04-30
Method of manufacturing an electric coil
AT239886B
(en )
1965-04-26
Method of manufacturing an electrical cable
CH376589A
(en )
1964-04-15
Process for the production of oxidation-resistant electrical resistance bodies
AT180338B
(en )
1954-11-25
Cathode for an electric discharge tube and method for producing this cathode
CH314779A
(en )
1956-06-30
A method for manufacturing an electric discharge tube and a discharge tube manufactured by this method
AT189282B
(en )
1957-03-11
Process for making an electric incandescent lamp
AT213508B
(en )
1961-02-27
Method of manufacturing a cathode for an electric discharge tube
AT183488B
(en )
1955-10-10
Method of manufacturing a cathode body for an electric discharge tube