DEFOND HOLDINGS (H. K.) CO. LIMITED

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CHAIWAN, CN

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Patents Grantslast 30 patents

Information Patent Grant
Flush valve assembly and toilet flush system incorporating the same
- Patent number 9,932,728
- Issue date Apr 3, 2018
- DEFOND HOLDINGS (H.K.) CO. LIMITED
- Kwok Chiu Yu
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Toilet apparatus
- Patent number 9,663,933
- Issue date May 30, 2017
- DEFOND HOLDINGS (H. K.) CO. LIMITED
- Kai Chi Chan
- E03 - WATER SUPPLY SEWERAGE

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