4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
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Biddle Graham W.

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Bidgood William T.

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Bieber Marvel M.

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Biernat, Jr. Stanley J.

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Bifocon Optics GmbH

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Bigar Francis

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Bigda Daniel R.

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Billard Etienne

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Bingham J. Albert

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Binh Paul

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Bio-Systems Research Inc.

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Birch Stewart LLP

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Birdsall Arthur A.

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Bisle Werner

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Bizzarri Alfredo

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Bjeoumikhov Aniouar

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Black Michael

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Blackwell Richard I.

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Blanshay Jonathan

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Blanvillain Eric Henri Eugene

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