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Shunyee Liu
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Kowloon, HK
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Patent Grant
Pressure gauge
Patent number
7,062,973
Issue date
Jun 20, 2006
The Hong Kong Polytechnic University
Hwayaw Tam
G01 - MEASURING TESTING
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last 30 patents
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Patent Application
PRESSURE GAUGE
Publication number
20060070446
Publication date
Apr 6, 2006
Hwayaw Tam
G01 - MEASURING TESTING