4. Electrical generator or motor structure
  5. Non-dynamoelectric
  6. Piezoelectric elements and devices

Johann Piegendorfer

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Holder for quartz resonator disks and process for the production

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

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Method and device for melting the ends of rods

Glass manufacturing – Processes – Reshaping or surface deformation of glass preform
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1354751

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