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Poh Keong Chan
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Singapore, SG
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last 30 patents
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Patent Grant
Heat transfer apparatus
Patent number
6,873,527
Issue date
Mar 29, 2005
Heng Yun Zhang
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Heat transfer apparatus
Publication number
20040012925
Publication date
Jan 22, 2004
Heng Yun Zhang
H01 - BASIC ELECTRIC ELEMENTS