Hsieh Hsien Wen

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Hsin Chu Hsien, TW

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Patents Applicationslast 30 patents

Information Patent Application
Self-sealing floor drain
- Publication number 20080072967
- Publication date Mar 27, 2008
- Hsieh Hsien Wen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...