4. Electrical audio signal processing systems and devices
  5. Hearing aids, electrical
  6. Specified casing or housing

Eduardo J. Bertagni

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Planar diaphragm loudspeaker

Acoustics – Diaphragm – Particular shape
Patent

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Planar diaphragm loudspeaker with counteractive weights

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Planar-type loudspeaker with dual density diaphragm

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Planar-type loudspeaker with dual density diaphragm

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Profile ID: LFUS-PAI-P-936941

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