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发明名称
DISPOSITIVO DE REVESTIMENTO E PROTECAO CONTRA EROSAO
摘要
申请公布号
BR7708124(A)
申请公布日期
1978.09.05
申请号
BR19770008124
申请日期
1977.12.06
申请人
CONSTRUSERV ENGENHARIA AMBIEN LTD
发明人
GOMES C
分类号
E02D3/12;(IPC1-7):E02D3/12
主分类号
E02D3/12
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代理人
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