Chuang Jung-Chao

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Kaohsiung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Safety controlled valve for gas controller
- Patent number 4,579,142
- Issue date Apr 1, 1986
- Chuang Jung-Chao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...