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发明名称
UNIAO DE TUBO
摘要
申请公布号
BR8505657(A)
申请公布日期
1986.08.12
申请号
BR1985PI05657
申请日期
1985.11.11
申请人
JOHN DEREK GUEST
发明人
JOHN DEREK GUEST
分类号
F16L37/12;F16L37/00;F16L37/092;(IPC1-7):F16L15/04;F16L19/03
主分类号
F16L37/12
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