Improvements in hardness testing, in particular in micro-hardness testing,申请号GB19480002400-传众专利搜索

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发明名称	Improvements in hardness testing, in particular in micro-hardness testing
摘要
申请公布号	GB651800(A)	申请公布日期	1951.04.11
申请号	GB19480002400	申请日期	1948.01.27
申请人	PAUL GRODZINSKI	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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