Japan Basic Material Col., Ltd.

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Sendai-shi Miyagi, JP

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Structural member for eyeglass, eyeglass frame comprising the struc...
- Patent number 7,988,281
- Issue date Aug 2, 2011
- Charmant Co., Ltd.
- Wang Xin Min
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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