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发明名称
APERFEICOAMENTO EM VALVULA BORBOLETA
摘要
申请公布号
BR8000612(A)
申请公布日期
1981.08.04
申请号
BR19800000612
申请日期
1980.01.31
申请人
AB SOMAS
发明人
HUBERTSON F
分类号
F16K25/00;F16K27/00;(IPC1-7):F16K27/00
主分类号
F16K25/00
代理机构
代理人
主权项
地址
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