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PCE
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DIFF Subgroup
G01L 7/24

involving balances in the form of rings partly filled with liquid

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

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 > involving balances in the form of rings partly filled with liquid

CPC:

Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements ( transmitting or indicating the displacement of mechanical pressure-sensitive elements by electric or magnetic means G01L9/00; measuring differences of two or more pressure values G01L13/00; measuring two or more pressure values simultaneously G01L15/00) > using liquid as the pressure-sensitive medium, e.g. liquid-column gauges > involving balances in the form of rings partly filled with liquid

No child classifications to compare. This is a leaf node in both IPC and CPC.