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发明名称
Testing apparatus
摘要
申请公布号
US2582011(A)
申请公布日期
1952.01.08
申请号
US19450631265
申请日期
1945.11.28
申请人
CUNNINGHAM LEONARD J
发明人
CUNNINGHAM LEONARD J.
分类号
G01N3/00
主分类号
G01N3/00
代理机构
代理人
主权项
地址
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