Norio Kanetake

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface-hardened chain link
- Patent number 5,997,662
- Issue date Dec 7, 1999
- Metal Technic Research Laboratory
- Kanetake Norio
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for heat treatment of link chains
- Patent number 4,164,435
- Issue date Aug 14, 1979
- Kabushiki Kaisha Kito
- Norio Kanetake
- C21 - METALLURGY OF IRON