Method of determining the tensile strength of iron and steel,申请号US19290344360-传众专利搜索

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发明名称	Method of determining the tensile strength of iron and steel
摘要
申请公布号	US1829793(A)	申请公布日期	1931.11.03
申请号	US19290344360	申请日期	1929.03.05
申请人	HENNING ENLUND	发明人	ENLUND BROR DAVID
分类号	G01N27/04	主分类号	G01N27/04
代理机构		代理人
主权项
地址

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