IMPROVEMENTS IN AND RELATING TO DENSITY-MEASURING APPARATUS,申请号GB19680026822-传众专利搜索

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发明名称	IMPROVEMENTS IN AND RELATING TO DENSITY-MEASURING APPARATUS
摘要
申请公布号	GB1274213(A)	申请公布日期	1972.05.17
申请号	GB19680026822	申请日期	1968.06.05
申请人	COAL INDUSTRY (PATENTS) LIMITED	发明人	MICHAEL JOHN PARKINSON
分类号	G01N23/12	主分类号	G01N23/12
代理机构		代理人
主权项
地址

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