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Patent Searching and Data


Title:
変圧器用切換開閉器
Document Type and Number:
Japanese Patent JP4382420
Kind Code:
B2
Inventors:
Yuuki Matsubayashi
Takashi Nakagawa
Kenji Tsuchiya
Satoshi Kajiwara
Katsutoshi Inagaki
Yoji Matsuda
Application Number:
JP2003303319A
Publication Date:
December 16, 2009
Filing Date:
August 27, 2003
Export Citation:
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Assignee:
株式会社ダイヘン
株式会社日立製作所
株式会社日立産機システム
東京電力株式会社
International Classes:
H01F29/02
Domestic Patent References:
JP6029124U
JP3203206A
JP50048109U
Attorney, Agent or Firm:
Hidetoshi Matsumoto