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G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
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FR762825D1933-10-231933-10-23
Device for controlling, transmitting and measuring the direction of flow or the dynamic pressure of a fluid
ExpiredFR762825A
(en)
Improvements made to devices for measuring the section or flow rate of orifices by the pressure drop undergone by a fluid flowing through these orifices
Device for automatic adjustment of the circulation of a fluid in a pipe as a function of the pressure of another fluid, mainly for refrigeration installations