making use of mechanical energy (B06B1/18, B06B1/20 take precedence)

Full Title

Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency > making use of mechanical energy (B06B1/18, B06B1/20 take precedence)

Child Classifications

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• B06B 1/12 operating with systems involving reciprocating masses
• B06B 1/16 operating with systems involving rotary unbalanced masses