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
CH344139A
(en )
1960-01-31
Supply cathode for electric discharge tubes
CH333345A
(en )
1958-10-15
Process for producing electrical discharge tubes and electrical discharge tube produced according to this process
AT192010B
(en )
1957-09-25
Device for the production of cage-shaped grids for electric discharge tubes
AT198374B
(en )
1958-06-25
Switching arrangement for electric discharge tubes
CH357094A
(en )
1961-09-30
Alkaline element for electric batteries
AT197478B
(en )
1958-04-25
Equipment for the manufacture of collectors for electrical machines
AT190604B
(en )
1957-07-10
Process for the production of indirectly heatable cathodes for electrical discharge tubes
CH312786A
(en )
1956-02-29
Cathode for electrical discharge vessels
AT199762B
(en )
1958-09-25
Process for the production of grid electrodes for electric discharge tubes
CH320913A
(en )
1957-04-15
Cathode for electrical discharge vessels
CH336104A
(en )
1959-02-15
Pull cord for electrical connection cord
AT190183B
(en )
1957-06-11
Process for the production of cup-shaped screw-in nipples for electric tubular heating elements
AT188508B
(en )
1957-01-25
Device for the production of one-piece tubes
AT181333B
(en )
1955-03-10
Cathode for electrical discharge vessels
AT187203B
(en )
1956-10-25
Cathode for electrical discharge vessels
CH343035A
(en )
1959-12-15
Process for the production of an electrical gas discharge device
AT198339B
(en )
1958-06-25
Process for the production of cold-pressed electrical insulating bodies
AT222768B
(en )
1962-08-10
Process for the production of grids for electron tubes
CH341916A
(en )
1959-10-31
Circuit arrangement for igniting an electric discharge tube
AT191510B
(en )
1957-08-26
Process for making electric lamps
FR1147591A
(en )
1957-11-27
Electric discharge tube
AT179359B
(en )
1954-08-25
Cooling device for electric discharge tubes
AU161001B2
(en )
1954-01-14
Improvements in or relating toa method of manufacturing grids for use in electric discharge tubes anda device for carrying out this method