Cesar Humberto Valdez-Chapa

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Monterrey, MX

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Patents Grantslast 30 patents

Information Patent Grant
Plug valve
- Patent number 5,706,851
- Issue date Jan 13, 1998
- Hyisa S.A. de C.V.
- Ronald Victor Manuel Lopez-Gomez
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...