using elastically-deformable members or pistons as sensing elements

Introduced: September 1968

Full Title

Devices or apparatus for measuring differences of two or more fluid pressure values > using elastically-deformable members or pistons as sensing elements

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

Child Classifications

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G01L 13/021 CPC only CPC only
G01L 13/023 CPC only CPC only
G01L 13/025 +1 CPC CPC only CPC only
G01L 13/028 CPC only CPC only