LIMIN CHENG

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SHANGHAI, CN

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Patents Grantslast 30 patents

Information Patent Grant
Silty floating mud collection device
- Patent number 9,784,649
- Issue date Oct 10, 2017
- CCC THIRD HARBOR CONSULTANTS CO., LTD.
- Jianding Niu
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SILTY FLOATING MUD COLLECTION DEVICE
- Publication number 20160153869
- Publication date Jun 2, 2016
- CCCC THIRD HARBOR CONSULTANTS CO., LTD
- JIANDING NIU
- G01 - MEASURING TESTING