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发明名称
摘要
申请公布号
SU423234(A1)
申请公布日期
1974.04.05
申请号
SU19721815108
申请日期
1972.07.27
申请人
发明人
分类号
H03J1/02;(IPC1-7):H03J1/02
主分类号
H03J1/02
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代理人
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地址
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