Duk-Jo Jun

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1346 Sadong, Ansan, Kyungki-do, KR

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Patents Grantslast 30 patents

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Apparatus for opening/closing a valve and method thereof
- Patent number 6,340,029
- Issue date Jan 22, 2002
- Duk-Jo Jun
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...