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发明名称
Metal hardness measuring instrument
摘要
申请公布号
US3038330(A)
申请公布日期
1962.06.12
申请号
US19600042610
申请日期
1960.07.13
申请人
GEORGE Q. MCNAMARA
发明人
CRICHE WILLIAM J.
分类号
G01N3/52
主分类号
G01N3/52
代理机构
代理人
主权项
地址
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