Hiroshi Itoh

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal easy open can lid superior in can openability and process for...
- Patent number 5,927,536
- Issue date Jul 27, 1999
- Nippon Steel Corporation
- Yashichi Oyagi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...