APPARATUS FOR PLACING ROCK MASS,申请号SU19833601466-传众专利搜索

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发明名称	APPARATUS FOR PLACING ROCK MASS
摘要
申请公布号	SU1158758(A1)	申请公布日期	1985.05.30
申请号	SU19833601466	申请日期	1983.06.07
申请人	DN GORNYJ I IM.ARTEMA	发明人	DMITRIEV SERGEJ G,SU
分类号	E21C47/04;(IPC1-7):E21C47/04	主分类号	E21C47/04
代理机构		代理人
主权项
地址

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