CPC Subgroup
G01L 21/04 wherein the chamber is closed by liquid; Vacuum gauges of the McLeod type
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
1 direct subcode
Child Classifications
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- G01L 21/06 actuated by rotating or inverting the measuring device