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发明名称
APERFEICOAMENTO EM REGISTRO PARA TUBULACOES EM GERAL
摘要
申请公布号
BR8004609(A)
申请公布日期
1982.03.23
申请号
BR19800004609
申请日期
1980.07.18
申请人
SOLEBRAL SA PROD METALURGICOS
发明人
LANDGRAF C
分类号
F16K5/08;(IPC1-7):F16K5/08
主分类号
F16K5/08
代理机构
代理人
主权项
地址
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