MINE LINING CONNECTOR,申请号PL19810233153-传众专利搜索

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法人/股东/高管

发明名称	MINE LINING CONNECTOR
摘要
申请公布号	PL134509(B1)	申请公布日期	1985.08.31
申请号	PL19810233153	申请日期	1981.09.22
申请人		发明人
分类号	E21D;E21D15/55;E21D23/06;(IPC1-7):E21D23/06	主分类号	E21D
代理机构		代理人
主权项
地址

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