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发明名称
PREEXCITATING CIRCUIT
摘要
申请公布号
JPS53138038(A)
申请公布日期
1978.12.02
申请号
JP19770052677
申请日期
1977.05.10
申请人
HITACHI LTD
发明人
HISAMURA MAKOTO
分类号
H01H47/12;H01H47/22
主分类号
H01H47/12
代理机构
代理人
主权项
地址
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