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发明名称
DC HIGH-SPEED VACUUM CIRCUIT BREAKER AND ELECTRIC MOTOR VEHICLE EQUIPPED WITH THIS CIRCUIT BREAKER
摘要
申请公布号
EP0411663(A3)
申请公布日期
1992.09.30
申请号
EP19900114979
申请日期
1990.08.03
申请人
HITACHI, LTD.
发明人
HASEGAWA, MITSUYOSHI;TSUBOI, TAKASHI;AKIYAMA, HIROYUKI;KAMADA, TADASHI;UCHII, TARO
分类号
H01H33/59;(IPC1-7):H01H33/59;H01H33/66
主分类号
H01H33/59
代理机构
代理人
主权项
地址
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