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Sheen Chung-Shan

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  • Huwei Chen, Yunlin Hsuan, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-shutting egress valve
    • Patent number 5,203,376
    • Issue date Apr 20, 1993
    • Sheen Chung-Shan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...