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Qinhuangdao, CN
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last 30 patents
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Patent Grant
Rotary wheel airtightness detecting machine
Patent number
9,562,831
Issue date
Feb 7, 2017
Citic Dicastal Co. Ltd.
Xue Bowen
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
ROTARY WHEEL AIRTIGHTNESS DETECTING MACHINE
Publication number
20150276542
Publication date
Oct 1, 2015
CITIC DICASTAL CO., LTD
Xue Bowen
G01 - MEASURING TESTING