COMBINED COAL CUTTER LOADER,申请号PL19820235240-传众专利搜索

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发明名称	COMBINED COAL CUTTER LOADER
摘要
申请公布号	PL135400(B1)	申请公布日期	1985.10.31
申请号	PL19820235240	申请日期	1982.02.26
申请人		发明人
分类号	E21C;E21C27/02;E21C31/10;(IPC1-7):E21C31/10	主分类号	E21C
代理机构		代理人
主权项
地址

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