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发明名称
摘要
申请公布号
SU427447(A1)
申请公布日期
1974.05.05
申请号
SU19721744003
申请日期
1972.02.03
申请人
发明人
分类号
H03L1/00;(IPC1-7):H03B3/02
主分类号
H03L1/00
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代理人
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地址
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