FLAT CUTTING TOOL FOR A MECHANICAL COAL MINER,申请号PL19940302334-传众专利搜索

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发明名称	FLAT CUTTING TOOL FOR A MECHANICAL COAL MINER
摘要
申请公布号	PL172648(B1)	申请公布日期	1997.10.31
申请号	PL19940302334	申请日期	1994.02.21
申请人	WASYLECZKO ZENON	发明人	WASYLECZKO ZENON
分类号	E21C35/18;E21C35/197;(IPC1-7):E21C35/197	主分类号	E21C35/18
代理机构		代理人
主权项
地址

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