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发明名称
摘要
申请公布号
NL7109806(A)
申请公布日期
1973.01.17
申请号
NL19710009806
申请日期
1971.07.15
申请人
发明人
分类号
H04B3/20;H04J3/17;H04M3/56;H04M9/08;(IPC1-7):H03K13/22;H04M9/10
主分类号
H04B3/20
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代理人
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