Chen J. Shan

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Cho-Yun Village, Yuan-chang, Hsiang, Yun-Lin Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Writing implement and kit
- Patent number 4,515,492
- Issue date May 7, 1985
- Chen J. Shan
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES