SINGLE SET OF LONGWALL HOUSING,申请号PL19840246086-传众专利搜索

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发明名称	SINGLE SET OF LONGWALL HOUSING
摘要
申请公布号	PL246086(A1)	申请公布日期	1985.08.13
申请号	PL19840246086	申请日期	1984.02.06
申请人	KOPALNIA WEGLA KAMIENNEGO WIEC	发明人	SZWAJCA TADEUSZ;KOZIOL ERWIN;MIKOLAJCZYK STANISLAW
分类号	E21D;(IPC1-7):E21D/	主分类号	E21D
代理机构		代理人
主权项
地址

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