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

Philip W. Johnson

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Drive package for a dynamoelectric machine

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Seismic data acquisition method

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
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Seismic data acquisition method

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent

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Profile ID: LFUS-PAI-P-435672

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