Yi Cao

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Binzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Metering and well selection valve group
- Patent number 9,702,508
- Issue date Jul 11, 2017
- Jiangsheng Cao
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

Information Patent Application
Metering and Well Selection Valve Group
- Publication number 20150226380
- Publication date Aug 13, 2015
- Jiangsheng Cao
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS