4. Electrical audio signal processing systems and devices
  5. Monitoring of sound

Tsuyoshi Hamada

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Filter having switch function and band pass filter

Wave transmission lines and networks – Plural channel systems – Having branched circuits
Reexamination Certificate

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System for evaluating abnormal sound, sound recorder and...

Electrical audio signal processing systems and devices – Monitoring of sound
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3055435

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