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经营范围
发明名称
SELECTIVE VALVE TO PASS FLUIDS
摘要
申请公布号
KR0133664(B1)
申请公布日期
1998.04.24
申请号
KR19890017127
申请日期
1989.11.24
申请人
PETROLEO BRASILEIRO S.A.
发明人
RIBEIRO, MARCOS P.
分类号
F16K51/00;(IPC1-7):F16K51/00
主分类号
F16K51/00
代理机构
代理人
主权项
地址
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