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发明名称
Hardness testing device for components having hard to measure surfaces
摘要
申请公布号
US3106093(A)
申请公布日期
1963.10.08
申请号
US19610143987
申请日期
1961.10.09
申请人
WALKER HENRY C;ABRAM HILL
发明人
WALKER HENRY C.;HILL ABRAM
分类号
G01N3/42
主分类号
G01N3/42
代理机构
代理人
主权项
地址
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