Means for establishing the hardness of metal surfaces,申请号US19460696545-传众专利搜索

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发明名称	Means for establishing the hardness of metal surfaces
摘要
申请公布号	US2541974(A)	申请公布日期	1951.02.13
申请号	US19460696545	申请日期	1946.09.12
申请人	EZEKIEL F. WHITE	发明人	WILLS MARK AQUILLA AUGUSTUS
分类号	G01N3/46	主分类号	G01N3/46
代理机构		代理人
主权项
地址

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