A METHOD OF BINDING EXPLOITATION ORIGIN DUSTS SETTLED ON SURFACES OF EXCAVATIONS,申请号PL19750185374-传众专利搜索

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发明名称	A METHOD OF BINDING EXPLOITATION ORIGIN DUSTS SETTLED ON SURFACES OF EXCAVATIONS
摘要
申请公布号	PL102315(B1)	申请公布日期	1979.03.31
申请号	PL19750185374	申请日期	1975.12.08
申请人		发明人
分类号	E21F5/06;(IPC1-7):E21F5/06	主分类号	E21F5/06
代理机构		代理人
主权项
地址

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