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发明名称
Cable analyzer with d.c. functions
摘要
申请公布号
USRE33281(E)
申请公布日期
1990.07.31
申请号
US19880276426
申请日期
1988.11.23
申请人
发明人
分类号
H04B3/46
主分类号
H04B3/46
代理机构
代理人
主权项
地址
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