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Koninklijke Philips NV
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Philips Gloeilampenfabrieken NV
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Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Application grantedgrantedCritical
Publication of FR1242584ApublicationCriticalpatent/FR1242584A/fr
G01L21/02—Vacuum gauges having a compression chamber in which gas, whose pressure is to be measured, is compressed
G01L21/04—Vacuum gauges having a compression chamber in which gas, whose pressure is to be measured, is compressed wherein the chamber is closed by liquid; Vacuum gauges of the McLeod type
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR812335A1958-12-091959-12-07Dispositif pour mesurer la pression de gaz à basses pressions
ExpiredFR1242584A
(fr)