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发明名称
Electro-mechanical servo devices
摘要
申请公布号
US2936642(A)
申请公布日期
1960.05.17
申请号
US19560582007
申请日期
1956.05.01
申请人
GENERAL PRECISION SYSTEMS LIMITED
发明人
GREENHALF WILLIAM D. G.;DUCK IVAN A.
分类号
G05G19/00
主分类号
G05G19/00
代理机构
代理人
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