US PATENT SUBCLASS 451 / 910
ULTRASONIC
Current as of: June, 1999
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DEFINITION
Classification: 451/910
ULTRASONIC:
Disclosure of abrading wherein vibrational energy of higher frequency than detected by normal human hearing is utilized.
SEE OR SEARCH THIS CLASS, SUBCLASS:
165, for an abrading machine having a rectilinearly reciprocating tool that vibrates ultrasonically.
