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Electrical Research Products Inc
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Electrical Research Products Inc
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Application filed by Electrical Research Products IncfiledCriticalElectrical Research Products Inc
Application grantedgrantedCritical
Publication of FR866125ApublicationCriticalpatent/FR866125A/fr
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
G01R23/04—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage adapted for measuring in circuits having distributed constants
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR866125D1939-07-261940-06-14Procédé et appareil de mesure de la fréquence
ExpiredFR866125A
(fr)