Delin ZENG

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Changsha, CN

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Patents Applicationslast 30 patents

Information Patent Application
FECES PUMPING AND DISCHARGING SYSTEM
- Publication number 20140124052
- Publication date May 8, 2014
- Changsha Dongbang Automated Toilet Co., Ltd.
- Delin ZENG
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
OFF-SITE FECES DISCHARGING SYSTEM
- Publication number 20140116554
- Publication date May 1, 2014
- Changsha Dongbang Automated Toilet Co., Ltd.
- Delin ZENG
- E03 - WATER SUPPLY SEWERAGE