4. Metal working
  5. Spiral cutting of flat stock

Vincenzo Viel

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Metal frame for eyeglasses

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

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Metal frame for eyeglasses

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

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Method of manufacturing front pieces for eyeglass frames

Metal working – Spiral cutting of flat stock
Patent

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Profile ID: LFUS-PAI-P-859867

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