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发明名称
Electronic test equipment
摘要
申请公布号
US2730674(A)
申请公布日期
1956.01.10
申请号
US19520309321
申请日期
1952.09.12
申请人
GRIMES JR WILLARD M
发明人
JR. WILLARD M. GRIMES,
分类号
G01R31/25
主分类号
G01R31/25
代理机构
代理人
主权项
地址
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