METHOD FOR REPAIRING DAMAGED COMPONENTS OF MINE EXCAVATION LINING,申请号PL19870263692-传众专利搜索

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发明名称	METHOD FOR REPAIRING DAMAGED COMPONENTS OF MINE EXCAVATION LINING
摘要
申请公布号	PL263692(A1)	申请公布日期	1988.09.29
申请号	PL19870263692	申请日期	1987.01.16
申请人		发明人
分类号	E21D;E21D5/04;(IPC1-7):E21D/	主分类号	E21D
代理机构		代理人
主权项
地址

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