Zhenhuang Yu

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Feather oil absorbent boom structure
- Patent number 9,598,293
- Issue date Mar 21, 2017
- Zhenhuang Yu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
FEATHER OIL ABSORBENT BOOM STRUCTURE AND PREPARATION METHOD THEREFOR
- Publication number 20150034549
- Publication date Feb 5, 2015
- Zhenhuang Yu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
DURABLE FEATHER OIL ABSORBENT FELT, METHOD FOR FABRICATING OIL SORB...
- Publication number 20140367323
- Publication date Dec 18, 2014
- Zhenhuang Yu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...