De-Fu Chen

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Xiamen, CN

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Patents Applicationslast 30 patents

Information Patent Application
ANTI-SIPHON STRUCTURE FOR TANKLESS RPESSURE FLUSHING TOILET
- Publication number 20190063053
- Publication date Feb 28, 2019
- Runner (Xiamen) Corp.
- DE-FU CHEN
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
LOW-NOISE PRESSURE FLUSHING SYSTEM AND TOILET DEVICE INCLUDING AND...
- Publication number 20180328014
- Publication date Nov 15, 2018
- Runner (Xiamen ) Corp.
- De-Fu Chen
- E03 - WATER SUPPLY SEWERAGE