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发明名称
Spool valve
摘要
申请公布号
US2958340(A)
申请公布日期
1960.11.01
申请号
US19560628820
申请日期
1956.12.17
申请人
BANSTROM INDUSTRIES, INC.
发明人
ROSEBROOK ROY
分类号
F15B13/04;F16K11/07
主分类号
F15B13/04
代理机构
代理人
主权项
地址
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