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发明名称
Improvements in machines for testing hardness of materials
摘要
申请公布号
GB422972(A)
申请公布日期
1935.01.23
申请号
GB19330030654
申请日期
1933.11.04
申请人
W. & T. AVERY LIMITED;ARTHUR HOWARD HANCOX
发明人
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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