4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. Ophthalmic lenses or blanks
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Yamaguchi Jindai

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Yamakaji Tetsuma

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Yamatani Tadahiro

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Yee Richard

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Yokoyama Osamu

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Yolton Robert L.

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Yoshihara Masaaki

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Yoshikawa Keishi

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Young Kent A

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Young Sidney F.

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Younger Manufacturing Co., Inc.

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