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发明名称
Testing apparatus
摘要
申请公布号
US2360944(A)
申请公布日期
1944.10.24
申请号
US19420438451
申请日期
1942.04.10
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
FRUTH HAL F.
分类号
G01R31/02
主分类号
G01R31/02
代理机构
代理人
主权项
地址
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