Changfa JIANG

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Xiamen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Quick siphon toilet
- Patent number 9,677,261
- Issue date Jun 13, 2017
- Changfa Jiang
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
QUICK SIPHON TOILET
- Publication number 20150322659
- Publication date Nov 12, 2015
- Changfa JIANG
- E03 - WATER SUPPLY SEWERAGE