DISPOSITIVO PARA DRENAR SOLOS EM PROFUNDIDADE,申请号BR1987PI01181-传众专利搜索

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发明名称	DISPOSITIVO PARA DRENAR SOLOS EM PROFUNDIDADE
摘要
申请公布号	BR8701181(A)	申请公布日期	1988.09.20
申请号	BR1987PI01181	申请日期	1987.03.13
申请人	HYDROGEO S.A.	发明人	JEAN-CLAUDE GRESS
分类号	E02B11/00;(IPC1-7):E02B11/00	主分类号	E02B11/00
代理机构		代理人
主权项
地址

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