Apparatus for use in indicating the degree of finish of a metal or alloy surface,申请号GB19460008858-传众专利搜索

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发明名称	Apparatus for use in indicating the degree of finish of a metal or alloy surface
摘要
申请公布号	GB614240(A)	申请公布日期	1948.12.13
申请号	GB19460008858	申请日期	1946.03.22
申请人	JAMES RICHARD CORNELIUS	发明人
分类号	G01B7/34	主分类号	G01B7/34
代理机构		代理人
主权项
地址

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