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International Standard Electric Corp
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International Standard Electric Corp
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Application filed by International Standard Electric CorpfiledCriticalInternational Standard Electric Corp
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Publication of FR932668ApublicationCriticalpatent/FR932668A/en
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC
G01R19/225—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC by means of thermocouples or other heat sensitive elements
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FR932668D1940-12-201946-08-23 Improvements to electrical measuring devicesExpiredFR932668A (en)