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DIFF Subgroup
G01L 21/06

actuated by rotating or inverting the measuring device

Introduced: September 1968

Full Title

Vacuum gauges > having a compression chamber in which gas, whose pressure is to be measured, is compressed > wherein the chamber is closed by liquid; Vacuum gauges of the McLeod type > actuated by rotating or inverting the measuring device

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