EHS LENS PHILIPPINES INC

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GENERAL TRIAS, PH

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Polarized plastic lens for spectacles and method for manufacturing...
- Patent number 9,782,941
- Issue date Oct 10, 2017
- EHS LENS PHILIPPINES INC.
- Akinori Yamamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

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