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发明名称
ELECTRO-HYDRAULIC AND ELECTRO-PNEUMATIC SERVO VALVES
摘要
申请公布号
GB1268767(A)
申请公布日期
1972.03.29
申请号
GB19680030404
申请日期
1968.06.26
申请人
DOWTY TECHNICAL DEVELOPMENTS LIMITED
发明人
DAVID JOHN GODDARD
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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