4. Electrical generator or motor structure
  5. Educational or construction units or kits

Hisao Yoshikawa

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Grinding machine

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent

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Machine tool elevating and guiding apparatus

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent

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Supporting structure for a thickness-shear type quartz oscillato

Electrical generator or motor structure – Educational or construction units or kits
Patent

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Profile ID: LFUS-PAI-P-348864

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