Ziji Yan

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Fuzhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ultraviolet water sterilization device in a modularized configuration
- Patent number 6,683,313
- Issue date Jan 27, 2004
- Fujian Newland Entech Co., Ltd.
- Jian Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Ultraviolet water sterilization device in a modularized configuration
- Publication number 20020043504
- Publication date Apr 18, 2002
- Jian Chen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE