Receiving elements, e.g. seismometer, geophone

Introduced: September 1968

Full Title

Seismology; Seismic or acoustic prospecting or detecting > Receiving elements for seismic signals; Arrangements or adaptations of receiving elements > Receiving elements, e.g. seismometer, geophone

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Child Classifications

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G01V 1/181 +4 CPC CPC only CPC only
G01V 1/186 +2 CPC CPC only CPC only
G01V 1/189 CPC only CPC only