METHOD OF STRIPPING THE WORKING LEVELS OF A MINE PIT,申请号SU19802882184-传众专利搜索

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发明名称	METHOD OF STRIPPING THE WORKING LEVELS OF A MINE PIT
摘要
申请公布号	SU885556(A1)	申请公布日期	1981.11.30
申请号	SU19802882184	申请日期	1980.02.14
申请人	IVANOV VLADIMIR N,SU	发明人	IVANOV VLADIMIR N,SU
分类号	E21C41/00;(IPC1-7):E21C41/00	主分类号	E21C41/00
代理机构		代理人
主权项
地址

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