Masanari Mineo

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of attaching press-in flange to drum or like container
- Patent number 4,677,730
- Issue date Jul 7, 1987
- Yamato Iron Works Co., Ltd.
- Masanari Mineo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...