Tung-Min Hsien

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Taichung Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Drain cover assembly
- Patent number 6,848,468
- Issue date Feb 1, 2005
- Saint Island International
- Tung-Min Hsien
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...