Chun-Cheng Chang

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Tainan Hsien, TW

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Patents Applicationslast 30 patents

Information Patent Application
Sports shoe having a detachable ice/roller skate
- Publication number 20030127830
- Publication date Jul 10, 2003
- Chun-Cheng Chang
- Chun-Cheng Chang
- A63 - SPORTS GAMES AMUSEMENTS