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发明名称
DC COMPONENT MEASURING DEVICE
摘要
申请公布号
JPS53135504(A)
申请公布日期
1978.11.27
申请号
JP19780025084
申请日期
1978.03.07
申请人
IBM
发明人
JIYOSEFU SHIYAOOIN FUEN
分类号
H04M3/02;H04M3/06;H04M19/02
主分类号
H04M3/02
代理机构
代理人
主权项
地址
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