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JUSTE PRESSION
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JUSTE PRESSION
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Application filed by JUSTE PRESSIONfiledCriticalJUSTE PRESSION
Priority to FR7117946ApriorityCriticalpatent/FR2137305B1/fr
Publication of FR2137305A1publicationCriticalpatent/FR2137305A1/fr
Application grantedgrantedCritical
Publication of FR2137305B1publicationCriticalpatent/FR2137305B1/fr
G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
G01F7/00—Volume-flow measuring devices with two or more measuring ranges; Compound meters
G01F7/005—Volume-flow measuring devices with two or more measuring ranges; Compound meters by measuring pressure or differential pressure, created by the use of flow constriction