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发明名称
摘要
申请公布号
SU427464(A1)
申请公布日期
1974.05.05
申请号
SU19721819303
申请日期
1972.07.21
申请人
发明人
分类号
H03M1/10;(IPC1-7):H03K13/02
主分类号
H03M1/10
代理机构
代理人
主权项
地址
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