METHOD FOR EXPLOITATION OF THICK COAL BED BY THE FALL OF ROOF,申请号PL20030360801-传众专利搜索

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发明名称	METHOD FOR EXPLOITATION OF THICK COAL BED BY THE FALL OF ROOF
摘要
申请公布号	PL360801(A1)	申请公布日期	2004.12.27
申请号	PL20030360801	申请日期	2003.06.23
申请人	KOMPANIA WEGLOWA SA KOPALNIA WEGLA KAMIENNEGO MARCEL	发明人	BADAJ ANDRZEJ;MATERZOK JAN;SZULA JACEK;TOMICZEK DARIUSZ;MOSZ ADAM;PARMA JERZY;GAWELEK ALBERT
分类号	E21C41/18	主分类号	E21C41/18
代理机构		代理人
主权项
地址

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