Improvements in machines for testing the hardness of materials,申请号GB19300024963-传众专利搜索

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发明名称	Improvements in machines for testing the hardness of materials
摘要
申请公布号	GB353729(A)	申请公布日期	1931.07.30
申请号	GB19300024963	申请日期	1930.08.21
申请人	W. & T. AVERY LIMITED;ARTHUR HOWARD HANCOX	发明人
分类号	G01N3/44	主分类号	G01N3/44
代理机构		代理人
主权项
地址

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