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发明名称
Apparatus for applying predetermined loads to objects for testing hardness
摘要
申请公布号
US2536880(A)
申请公布日期
1951.01.02
申请号
US19480012084
申请日期
1948.02.28
申请人
VICKERS-ARMSTRONG LIMITED
发明人
JAMES CECIL BERTRAM
分类号
G01N3/42
主分类号
G01N3/42
代理机构
代理人
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