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发明名称
SPOOL VALVE
摘要
申请公布号
CA903049(A)
申请公布日期
1972.06.20
申请号
CAD903049
申请日期
申请人
OLMSTED PRODUCTS CO.
发明人
PETER B. OLMSTED
分类号
F15B13/04;F16K11/10;(IPC1-7):F15B13/04
主分类号
F15B13/04
代理机构
代理人
主权项
地址
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