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发明名称
Comparison type electrical test set
摘要
申请公布号
US2851657(A)
申请公布日期
1958.09.09
申请号
US19550486057
申请日期
1955.02.04
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
SMITH ROBERT K.
分类号
H04M3/28
主分类号
H04M3/28
代理机构
代理人
主权项
地址
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