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发明名称
VALVULA BOIA
摘要
申请公布号
BR8501617(A)
申请公布日期
1986.11.11
申请号
BR1985PI01617
申请日期
1985.04.02
申请人
GONCALO GUEDES DA SILVA
发明人
GONCALO GUEDES DA SILVA
分类号
F16K33/00;(IPC1-7):F16K33/00
主分类号
F16K33/00
代理机构
代理人
主权项
地址
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