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Title:
負荷時タップ切換器用真空バルブ駆動装置
Document Type and Number:
Japanese Patent JP4364702
Kind Code:
B2
Inventors:
Hiroshi Oshima
Application Number:
JP2004103143A
Publication Date:
November 18, 2009
Filing Date:
March 31, 2004
Export Citation:
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Assignee:
Daihen Co., Ltd.
International Classes:
F16K31/44; H01F29/04; F16K31/524; H01H33/66
Domestic Patent References:
JP11317136A
JP7220956A
JP9063868A
Attorney, Agent or Firm:
Hidetoshi Matsumoto