MINING ORGAN,申请号PL19840246133-传众专利搜索

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发明名称	MINING ORGAN
摘要
申请公布号	PL142548(B1)	申请公布日期	1987.10.31
申请号	PL19840246133	申请日期	1984.02.08
申请人		发明人
分类号	E21C;E21C35/22;(IPC1-7):E21C35/22	主分类号	E21C
代理机构		代理人
主权项
地址

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