Examining a gem stone,申请号GB19810017178-传众专利搜索

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发明名称	Examining a gem stone
摘要
申请公布号	GB2081439(A)	申请公布日期	1982.02.17
申请号	GB19810017178	申请日期	1981.06.04
申请人	GERSAN ESTABLISHMENT	发明人
分类号	B24B9/16;G01B11/02;G01N21/87;(IPC1-7):G01N21/87;G01B11/00	主分类号	B24B9/16
代理机构		代理人
主权项
地址

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