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经营范围
发明名称
Magnetic testing apparatus
摘要
申请公布号
US2425361(A)
申请公布日期
1947.08.12
申请号
US19420468241
申请日期
1942.12.08
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
BROWN RAYMOND W.
分类号
G01R33/028
主分类号
G01R33/028
代理机构
代理人
主权项
地址
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