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Shimonoseki, JP
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Patents Grants
last 30 patents
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Patent Grant
Cold working lubricant for metallic conduits
Patent number
4,755,309
Issue date
Jul 5, 1988
Nihon Kousakuyu Co., Ltd.
Takeshi Kobori
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Patent Grant
Process for use in etching the outer surface of a metal member
Patent number
4,233,108
Issue date
Nov 11, 1980
Kobe Steel, Limited
Masamitu Tamura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...