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发明名称
UNBALANCED/BALANCED CONVERTER CIRCUITS
摘要
申请公布号
PT68425(A)
申请公布日期
1978.09.01
申请号
PT19780068425
申请日期
1978.08.16
申请人
POST OFFICE
发明人
分类号
H04Q3/42;H03H7/42;H03H11/32;H04B1/58;H04M19/00;(IPC1-7):H04B1/52
主分类号
H04Q3/42
代理机构
代理人
主权项
地址
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