4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. Split rim mounting

Tatsuro Hatano

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A surveying instrument having means for transmitting signals bet

Radiant energy – Photocells; circuits and apparatus – Signal isolator
Patent

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Spectacle frame

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Split rim mounting
Patent

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Profile ID: LFUS-PAI-P-1720073

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