CH318053A
(en )
1956-12-15
Process for the production of a cathode for electric discharge tubes
CH319033A
(en )
1957-01-31
Cathode for an electric discharge tube
CH315203A
(en )
1956-07-31
Cathode for electrical discharge vessels
CH302143A
(en )
1954-10-15
Pre-electrode for electrolytic cells and method for producing such an electrode.
CH333345A
(en )
1958-10-15
Process for producing electrical discharge tubes and electrical discharge tube produced according to this process
AT180338B
(en )
1954-11-25
Cathode for an electric discharge tube and method for producing this cathode
CH311393A
(en )
1955-11-30
An electric discharge tube containing a hydrogen atmosphere and a hydrogen replenisher, and a method for manufacturing such a discharge tube.
CH306764A
(en )
1955-04-30
Electrical switch and process for its manufacture.
CH345392A
(en )
1960-03-31
Cathode body for an electric discharge tube
AT183488B
(en )
1955-10-10
Method of manufacturing a cathode body for an electric discharge tube
CH322466A
(en )
1957-06-15
Method of manufacturing a cathode body for an electric discharge tube
AT182795B
(en )
1955-08-10
Electric discharge tubes, in particular miniature tubes, and processes for producing the oxide cathode for such tubes
AT190604B
(en )
1957-07-10
Process for the production of indirectly heatable cathodes for electrical discharge tubes
AT200660B
(en )
1958-11-25
Electric incandescent lamp and method of making its filament holder
CH311391A
(en )
1955-11-30
A method of manufacturing a cathode for an electric discharge tube and a cathode manufactured by this method.
CH298663A
(en )
1954-05-15
A method of manufacturing a cathode for an electric discharge tube, and a cathode manufactured according to this method.
CH323452A
(en )
1957-07-31
Process for the manufacture of an oxide cathode
CH320935A
(en )
1957-04-15
Electric incandescent lamp and method of making the same
AT187204B
(en )
1956-10-25
Method of manufacturing an electric discharge tube
AT185886B
(en )
1956-06-11
Method of manufacturing an electric discharge tube
AT183461B
(en )
1955-10-10
Cathode ray tube and method of making electrodes therefor
AT197478B
(en )
1958-04-25
Equipment for the manufacture of collectors for electrical machines
CH271238A
(en )
1950-10-15
Hot cathode for an electrical discharge device and method for making the same.
AT213508B
(en )
1961-02-27
Method of manufacturing a cathode for an electric discharge tube
CH376589A
(en )
1964-04-15
Process for the production of oxidation-resistant electrical resistance bodies