LONGWALL WORKING FACE CASING,申请号PL19820238242-传众专利搜索

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发明名称	LONGWALL WORKING FACE CASING
摘要
申请公布号	PL238242(A1)	申请公布日期	1984.03.26
申请号	PL19820238242	申请日期	1982.09.14
申请人	CT KT MASZYN GORNICZYCH KOMAG	发明人	LENARD JAN;GAJEK JOZEF;FURDZIK FRANCISZEK;HRYCYSZYN ADAM
分类号	E21D;E21D23/03;(IPC1-7):E21D/	主分类号	E21D
代理机构		代理人
主权项
地址

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