Hard coal mine profitable plant, upside-down mining plant,申请号PL20100392487-传众专利搜索

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发明名称	Hard coal mine profitable plant, upside-down mining plant
摘要
申请公布号	PL392487(A1)	申请公布日期	2012.03.26
申请号	PL20100392487	申请日期	2010.09.23
申请人	CUKIERSKI JAN MACIEJ	发明人	CUKIERSKI JAN MACIEJ
分类号	E21C41/18;F03G7/00	主分类号	E21C41/18
代理机构		代理人
主权项
地址

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