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发明名称
Electrical testing instrument
摘要
申请公布号
US2054642(A)
申请公布日期
1936.09.15
申请号
US19320609748
申请日期
1932.05.06
申请人
TRIPLETT RAY L
发明人
TRIPLETT RAY L.
分类号
G01R31/01
主分类号
G01R31/01
代理机构
代理人
主权项
地址
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