Hideo Yamamoto

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bolt and nut unit coated with lubricant
- Patent number 4,206,060
- Issue date Jun 3, 1980
- Sumitomo Kinzoku Kogyo Kabushiki Kaisha
- Hideo Yamamoto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...