Hiroyoshi Nagai

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum shield device of an electron beam welding apparatus
- Patent number 4,342,900
- Issue date Aug 3, 1982
- Kawasaki Jukogyo Kabushiki Kaisha
- Shuzo Susei
- H01 - BASIC ELECTRIC ELEMENTS