4. Electrical generator or motor structure
  5. Dynamoelectric
  6. Rotary

Erwin Martin

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Attenuating means for electroacoustic transducer

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent

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Electro-acoustic transducer

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Electro-acoustic transducer

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Electroacoustic sound generator

Patent

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Method and apparatus for the permanent polarization of piezoelec

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent

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Profile ID: LFUS-PAI-P-795336

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