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发明名称
SELO MECANICO DE FACE OPOSTA ROTACIONAL
摘要
申请公布号
BR9303224(A)
申请公布日期
1994.03.15
申请号
BR1993PI03224
申请日期
1993.07.30
申请人
JOHN CRANE INC.
发明人
MARK G. POSPISIL
分类号
F16J15/00;F16J15/34;F16J15/48;(IPC1-7):F16J15/00
主分类号
F16J15/00
代理机构
代理人
主权项
地址
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