Shigeru Seki

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Nagoya, JA

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Patents Grantslast 30 patents

Information Patent Grant
Sintered metallic composite material
- Patent number 3,963,449
- Issue date Jun 15, 1976
- Ishizuka Garasu Kabushiki Kaisha
- Shigeru Seki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...