CPC Subgroup
G01N 29/32 Arrangements for suppressing undesired influences, e.g. temperature or pressure variations
Full Title
Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object (G01N3/00 - G01N27/00 take precedence) > Details > Arrangements for suppressing undesired influences, e.g. temperature or pressure variations
2 direct subcodes
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