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Nobuaki Tamaki
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Zushi, JP
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last 30 patents
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Patent Grant
Vacuum interrupter
Patent number
4,707,577
Issue date
Nov 17, 1987
Kabushiki Kaisha Meidensha
Nobuaki Tamaki
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Vacuum interrupter
Patent number
4,661,666
Issue date
Apr 28, 1987
Kabushiki Kaisha Meidensha
Shinzo Sakuma
H01 - BASIC ELECTRIC ELEMENTS