Ci-jing Zhong

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Hsinchu, TW

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Patents Applicationslast 30 patents

Information Patent Application
Overlap of one pair of semicircles for the folding combining structure
- Publication number 20080251219
- Publication date Oct 16, 2008
- Chiujou Aluminium Co. Ltd.
- Ci-jing Zhong
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS