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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
Mit Manometer versehener Gärspund, der eine Membrane und in Verbindung mit einem mittleren Durchtrittsloch der letzteren eine federbelastete Ventilanordnung trägt.