DISPOSITIVO DE DRENAGEM E REDUCAO DE EROSAO,申请号BR1991PI06167-传众专利搜索

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发明名称	DISPOSITIVO DE DRENAGEM E REDUCAO DE EROSAO
摘要
申请公布号	BR9106167(A)	申请公布日期	1993.03.16
申请号	BR1991PI06167	申请日期	1991.03.08
申请人	IAN CRAIG NICHOLSON	发明人	IAN CRAIG NICHOLSON
分类号	E01F5/00;E02B11/00;(IPC1-7):E02B11/00	主分类号	E01F5/00
代理机构		代理人
主权项
地址

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