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发明名称
Electromagnetically operated balanced pilot valve
摘要
申请公布号
US2742919(A)
申请公布日期
1956.04.24
申请号
US19510234618
申请日期
1951.06.30
申请人
GENERAL CONTROLS CO.
发明人
RAY WILLIAM A.
分类号
F15B13/043
主分类号
F15B13/043
代理机构
代理人
主权项
地址
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