Yuhui Du

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Guangzhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Phosphorus-free corrosion and scale inhibitor used in circulating c...
- Patent number 9,714,182
- Issue date Jul 25, 2017
- GUANGZHOU SPECIAL PRESSURE EQUIPMENT INSPECTION AND RESEARCH INSTITUTE
- Bo Yang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
PHOSPHORUS-FREE CORROSION AND SCALE INHIBITOR USED IN CIRCULATING C...
- Publication number 20160318783
- Publication date Nov 3, 2016
- GUANGZHOU SPECIAL PRESSURE EQUIPMENT INSPECTION AND RESEARCH INSTITUTE
- Bo Yang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...