4. Communications, electrical: acoustic wave systems and devices
  5. Signal transducers
  6. Underwater type

Masaaki Kawahashi

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Acoustic compressor with two resonators

Electrical generator or motor structure – Dynamoelectric – Linear
Reexamination Certificate

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Acoustic fluid machine

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Reexamination Certificate

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Acoustic fluid machine

Acoustics – Sound-modifying means – Muffler – fluid conducting type
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Acoustic fluid machine

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate

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Acoustic fluid machine

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3017905

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