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Shigeki Fukumoto
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Kakogawa-shi, JP
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last 30 patents
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Patent Grant
Threaded joint for pipes having a lubricating coating
Patent number
8,420,581
Issue date
Apr 16, 2013
Nippon Steel & Sumitomo Metal Corporation
Kunio Goto
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Patents Applications
last 30 patents
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Patent Application
THREADED JOINT FOR PIPES HAVING A LUBRICATING COATING
Publication number
20100264649
Publication date
Oct 21, 2010
Kunio Goto
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...