INSTALLATION FOR DRY DUST-TRAPPING,申请号SU19833663278-传众专利搜索

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发明名称	INSTALLATION FOR DRY DUST-TRAPPING
摘要
申请公布号	SU1139862(A1)	申请公布日期	1985.02.15
申请号	SU19833663278	申请日期	1983.11.18
申请人	REVOLYUTSII I GORNOGO DELA IM.A.A.SKOCHINSKOGO	发明人	KOLYAGIN VIKTOR M,SU;MAKAROV GENNADIJ P,SU;NANKIN YURIJ A,SU
分类号	E21B21/07;E21F5/00;(IPC1-7):E21F5/00;E21C7/00	主分类号	E21B21/07
代理机构		代理人
主权项
地址

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