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发明名称
Apparatus for testing metals
摘要
申请公布号
US1789196(A)
申请公布日期
1931.01.13
申请号
US19250007107
申请日期
1925.02.05
申请人
GENERAL ELECTRIC COMPANY
发明人
SAMS JAMES A.;SHAW VIRGIL F.
分类号
G01N27/80
主分类号
G01N27/80
代理机构
代理人
主权项
地址
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