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发明名称
Amplifying and triggering means for magnetic hardness testers
摘要
申请公布号
US2645341(A)
申请公布日期
1953.07.14
申请号
US19500173457
申请日期
1950.07.12
申请人
GENERAL MOTORS CORPORATION
发明人
DIAMOND MILTON J.
分类号
G01N27/80
主分类号
G01N27/80
代理机构
代理人
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地址
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