Hsin-Huang CHENG

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Mingjian Shang, TW

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Patents Applicationslast 30 patents

Information Patent Application
Color toy having clear color boundary
- Publication number 20090068923
- Publication date Mar 12, 2009
- Hsin-Huang CHENG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL