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Publication of FR721392ApublicationCriticalpatent/FR721392A/fr
G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G01L19/08—Means for indicating or recording, e.g. for remote indication
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FR721392D1931-07-171931-07-17Dispositif pour la mesure de la pression régnant à l'intérieur d'une chambre
ExpiredFR721392A
(fr)
Dispositif pour maintenir automatiquement, à l'intérieur d'une enceinte, une pression déterminée malgré les variations de la pression extérieure