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PCE
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CPC Subgroup
G01H 3/04

Frequency

Full Title

Measuring vibrations by using a detector in a fluid (G01H7/00, G01H9/00, G01H11/00 take precedence) > Frequency

2 direct subcodes

Child Classifications

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  • G01H 3/06 by electric means
  • G01H 3/08 Analysing frequencies present in complex vibrations, e.g. comparing harmonics present