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发明名称
Apparatus for measuring the hardness of materials
摘要
申请公布号
US2643545(A)
申请公布日期
1953.06.30
申请号
US19490100626
申请日期
1949.06.22
申请人
H. W. WALLACE & COMPANY LIMITED
发明人
MORE ARTHUR ROWLATT
分类号
G01N3/42
主分类号
G01N3/42
代理机构
代理人
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地址
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