Yosihiko Nakamura

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Anzo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing composite extruded aluminum products from alumi...
- Patent number 4,040,162
- Issue date Aug 9, 1977
- Aisin Seiki Kabushiki Kaisha
- Mitsuyuki Isogai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...