4. Machines not elsewhere specified
  5. Material working, abrading, or founding machinery
  6. Abrading

Wang Chin-Feng

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Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Design Patent

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Speed adjusting device for a drill

Endless belt power transmission systems or components – Pulley with belt-receiving groove formed by drive faces on... – Including actuator interconnecting plural pulleys on spaced...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2120558

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