THE STOWING OF MATERIALS IN MINE WORKINGS,申请号ZA19750004578-传众专利搜索

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发明名称	THE STOWING OF MATERIALS IN MINE WORKINGS
摘要
申请公布号	ZA7504578(B)	申请公布日期	1976.09.29
申请号	ZA19750004578	申请日期	1975.07.16
申请人	COOPER P	发明人	COOPER P
分类号	E21D	主分类号	E21D
代理机构		代理人
主权项
地址

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