CPC Subgroup
G01H 3/005 Full Title
Measuring vibrations by using a detector in a fluid (G01H7/00, G01H9/00, G01H11/00 take precedence)
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G01H 3/005 Measuring vibrations by using a detector in a fluid (G01H7/00, G01H9/00, G01H11/00 take precedence)