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PCE
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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