4. Batteries: thermoelectric and photoelectric
  5. Photoelectric
  6. Cells

Masao Yoshikawa

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Abrasive-bladed cutting wheel

Abrading – Rigid tool – Rotary cylinder
Patent

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Abrasive-bladed multiple cutting wheel assembly

Abrading – Rigid tool – Rotary cylinder
Reexamination Certificate

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Air heating apparatus

Automatic temperature and humidity regulation – Hot-air furnace – Air and fire control
Patent

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All-aromatic polyester resin composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent

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Copying method and apparatus

Photocopying – Including fiber optics
Patent

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Profile ID: LFUS-PAI-P-48255

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