Jin Yi Huang

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Huatan Township, TW

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Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED BICYCLE CHAINRING ASSEMBLY
- Publication number 20110319209
- Publication date Dec 29, 2011
- TWDT Precision Co., Ltd.
- Jin Yi Huang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...