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发明名称
LIFETIME-FORECASTING METHOD OF SECTION SWITCH
摘要
申请公布号
JPH0670445(A)
申请公布日期
1994.03.11
申请号
JP19920211497
申请日期
1992.08.07
申请人
HITACHI LTD
发明人
AOKI YASUO
分类号
H02H3/10;G01R31/327;G01R31/333;H01H1/00;H01H33/59;H02H7/22;(IPC1-7):H02H3/10
主分类号
H02H3/10
代理机构
代理人
主权项
地址
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