4. Recording, communication, or information retrieval equipment
  5. Computer, data processor equipment

Manabu Kawachi

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Compound speaker system

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Patent

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Digital audio disc player equipped with mixing function

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent

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Loudspeaker

Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent

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Loudspeaker

Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent

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Loudspeaker

Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent

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Profile ID: LFUS-PAI-P-490982

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