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Expired
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GB1848818A
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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
G01L7/18—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements using liquid as the pressure-sensitive medium, e.g. liquid-column gauges
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Physics & Mathematics
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General Physics & Mathematics
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GB1848818A1918-11-121918-11-12Improvements in and relating to liquid pressure measuring instruments
ExpiredGB138140A
(en)