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发明名称
MAGNETIC ACTUATORS FOR SPOOL AND SLEEVE VALVES
摘要
申请公布号
GB1559373(A)
申请公布日期
1980.01.16
申请号
GB19750041791
申请日期
1975.10.13
申请人
HART J C H
发明人
分类号
H01F7/122;H01F7/16;H01F7/18;(IPC1-7):H01F7/16
主分类号
H01F7/122
代理机构
代理人
主权项
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