LAGGING IRONS FOR MINE ROOFS.,申请号IE19530000319-传众专利搜索

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发明名称	LAGGING IRONS FOR MINE ROOFS.
摘要
申请公布号	IE20824(L)	申请公布日期	1954.01.23
申请号	IE19530000319	申请日期	1953.06.19
申请人	USINES ET ACIERIES LEONARD-GIOT, SOCIETE ANONYME.	发明人
分类号	E21D;(IPC1-7):E21D	主分类号	E21D
代理机构		代理人
主权项
地址

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