COMPLEXO DE ESTANQUEIDADE DE OBRA DE ESTRADA,申请号PT19910097668-传众专利搜索

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发明名称	COMPLEXO DE ESTANQUEIDADE DE OBRA DE ESTRADA
摘要
申请公布号	PT97668(A)	申请公布日期	1992.03.31
申请号	PT19910097668	申请日期	1991.05.14
申请人	ENTREPRISE JEAN LEFEBVRE	发明人
分类号	E01D19/08;(IPC1-7):E01C7/00	主分类号	E01D19/08
代理机构		代理人
主权项
地址

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