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发明名称
摘要
申请公布号
DE2156626(A1)
申请公布日期
1972.07.20
申请号
DE19712156626
申请日期
1971.11.15
申请人
WESTERN ELECTRIC CO
发明人
分类号
H03K17/62;H04Q3/52;(IPC1-7):H04Q3/50
主分类号
H03K17/62
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