Surface plate calibration,申请号US19560609951-传众专利搜索

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发明名称	Surface plate calibration
摘要
申请公布号	US2947083(A)	申请公布日期	1960.08.02
申请号	US19560609951	申请日期	1956.09.14
申请人	RAHN GRANITE SURFACE PLATE COMPANY	发明人	RAHN RUDOLPH J.
分类号	G01B5/28	主分类号	G01B5/28
代理机构		代理人
主权项
地址

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