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发明名称
JUNCAO PARA TUBOS RIGIDOS OU FLEXIVEIS
摘要
申请公布号
PT7652(U)
申请公布日期
1986.04.26
申请号
PT19840007652U
申请日期
1984.12.28
申请人
JOSE CREOULO PRIOR
发明人
分类号
F16L21/00;(IPC1-7):F16L21/00
主分类号
F16L21/00
代理机构
代理人
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地址
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