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发明名称
摘要
申请公布号
SU486462(A1)
申请公布日期
1975.09.30
申请号
SU19731950029
申请日期
1973.07.26
申请人
发明人
分类号
H03K3/64;(IPC1-7):H03K3/64
主分类号
H03K3/64
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代理人
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地址
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