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Zhihai Wei
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Dalian City, CN
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last 30 patents
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Patent Grant
Anti-oxidation spray methods and spray equipment for steel billets
Patent number
8,689,727
Issue date
Apr 8, 2014
Dalian RINO Group Co., Ltd.
Jianping Qiu
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
Anti-Oxidation Spray Methods and Spray Equipment for Steel Billets
Publication number
20090101736
Publication date
Apr 23, 2009
Jianping Qiu
C21 - METALLURGY OF IRON