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发明名称
Electrical testing
摘要
申请公布号
US2258837(A)
申请公布日期
1941.10.14
申请号
US19390274309
申请日期
1939.05.18
申请人
MAGNETIC ANALYSIS CORPORATION
发明人
ZUSCHLAG THEODOR
分类号
G01N27/90
主分类号
G01N27/90
代理机构
代理人
主权项
地址
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