STEEL SET LINING,申请号PL19830242477-传众专利搜索

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发明名称	STEEL SET LINING
摘要
申请公布号	PL140568(B1)	申请公布日期	1987.05.30
申请号	PL19830242477	申请日期	1983.06.09
申请人		发明人
分类号	E21D;E21D11/18;(IPC1-7):E21D11/18	主分类号	E21D
代理机构		代理人
主权项
地址

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