CPC Subgroup
B06B 1/04 operating with electromagnetism (dynamo-electric motors with vibrating magnet, armature or coil system H02K33/00)
Full Title
Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency > making use of electrical energy (B06B1/18, B06B1/20 take precedence) > operating with electromagnetism (dynamo-electric motors with vibrating magnet, armature or coil system H02K33/00)
1 direct subcode
Child Classifications
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