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Ind Radioelectriques SA Des
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Ind Radioelectriques SA Des
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Application filed by Ind Radioelectriques SA DesfiledCriticalInd Radioelectriques SA Des
Application grantedgrantedCritical
Publication of FR899660ApublicationCriticalpatent/FR899660A/en
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
FR899660D1943-07-091943-07-09
Very short wave wavemeter
ExpiredFR899660A
(en)