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发明名称
PROCESSO DE FABRICACAO DE MANGUEIRA IMUNE A ACIDO SULFURICO E OUTROS PRODUTOS QUIMICOS DE ALTA CORROSAO
摘要
申请公布号
BR8203402(A)
申请公布日期
1984.01.17
申请号
BR19820003402
申请日期
1982.06.09
申请人
MARCELLO TITO RIBEIRO DOVAL FILHO
发明人
MARCELLO TITO RIBEIRO DOVAL FILHO
分类号
(IPC1-7):B29D23/05
主分类号
(IPC1-7):B29D23/05
代理机构
代理人
主权项
地址
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