Wen Yu Che

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Taichung, TW

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Patents Applicationslast 30 patents

Information Patent Application
Winding device for a blind without pull cords
- Publication number 20070029051
- Publication date Feb 8, 2007
- Nien Made Enterprise Co., Ltd.
- Ming Nien
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS