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WIENER RADIOWERKE AG
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WIENER RADIOWERKE AG
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Application filed by WIENER RADIOWERKE AGfiledCriticalWIENER RADIOWERKE AG
Application grantedgrantedCritical
Publication of FR905571ApublicationCriticalpatent/FR905571A/fr
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
G01R31/24—Testing of discharge tubes
G01R31/25—Testing of vacuum tubes
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR905571D1943-01-291944-06-29Dispositif commutateur automatique pour appareils de mesure
ExpiredFR905571A
(fr)