ANCHOR SUPPORT FOR MINE WORKINGS,申请号SU19894710820-传众专利搜索

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发明名称	ANCHOR SUPPORT FOR MINE WORKINGS
摘要
申请公布号	SU1668686(A1)	申请公布日期	1991.08.07
申请号	SU19894710820	申请日期	1989.06.28
申请人	OTDEL I GORNOGO DELA SO AN SSSR	发明人	SHTELE VLADIMIR I,SU
分类号	E21D21/00	主分类号	E21D21/00
代理机构		代理人
主权项
地址

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