4. Electrical audio signal processing systems and devices
  5. One-way audio signal program distribution
  6. Public address system

Shouichi Hirai

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Pneumatically operated power tool having mechanism for...

Tool driving or impacting – Passage in manipulating handle for drive motor motive fluid – Motive fluid control valve in handle passage
Reexamination Certificate

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Speech recognition system

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
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Profile ID: LFUS-PAI-P-1576643

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