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DEFOND HOLDINGS (H. K.) CO. LIMITED
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CHAIWAN, CN
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Patents Grants
last 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