INSTALACAO DE REVESTIMENTO DE TUNEIS,申请号BR19800003716-传众专利搜索

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发明名称	INSTALACAO DE REVESTIMENTO DE TUNEIS
摘要
申请公布号	BR8003716(A)	申请公布日期	1981.01.13
申请号	BR19800003716	申请日期	1980.06.16
申请人	MARCON INTERNATIONAL LTD	发明人	RICHARDSON M
分类号	E21B17/08;E21D9/00;(IPC1-7):E21D11/05;E21D11/40;E21D23/18	主分类号	E21B17/08
代理机构		代理人
主权项
地址

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