CH363756A
(en )
1962-08-15
Method for manufacturing an ion vacuum pump
CH314129A
(en )
1956-05-31
Cathode bodies for electric discharge tubes
CH352381A
(en )
1961-02-28
Method of making an electrical connector
CH341571A
(en )
1959-10-15
A method of manufacturing an interface type semiconductor body
CH314776A
(en )
1956-06-30
Cathode bodies for electric discharge tubes
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
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
CH402197A
(en )
1965-11-15
Process for the production of an impregnated cathode for electric discharge tubes and a cathode produced by this process
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.
AT180338B
(en )
1954-11-25
Cathode for an electric discharge tube and method for producing this cathode
AT187993B
(en )
1956-12-10
Cathode body for an electric discharge tube
CH407343A
(en )
1966-02-15
Process for the production of a gas binder for electric discharge tubes and gas binder produced by this process
AT213508B
(en )
1961-02-27
Method of manufacturing a cathode for an electric discharge tube
AT187204B
(en )
1956-10-25
Method of manufacturing an electric discharge tube
CH311391A
(en )
1955-11-30
A method of manufacturing a cathode for an electric discharge tube and a cathode manufactured by this method.
CH323755A
(en )
1957-08-15
Method of manufacturing a cathode for electron tubes
AT185886B
(en )
1956-06-11
Method of manufacturing an electric discharge tube
AT199762B
(en )
1958-09-25
Process for the production of grid electrodes for electric discharge tubes
CH240057A
(en )
1945-11-30
Method of manufacturing a metal body for electric discharge tubes.
AT191519B
(en )
1957-08-26
Process for the production of an indirectly heatable cathode for electrical discharge tubes
AT177844B
(en )
1954-03-10
Cathode bodies for electric discharge tubes
AT185887B
(en )
1956-06-11
Process for the production of a phosphor
AT192010B
(en )
1957-09-25
Device for the production of cage-shaped grids for electric discharge tubes