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经营范围
发明名称
SERVO CONTROL SYSTEM
摘要
申请公布号
CA513710(A)
申请公布日期
1955.06.14
申请号
CAD513710
申请日期
申请人
FERRANTI LIMITED
发明人
DONALD M. MCCALLUM
分类号
主分类号
代理机构
代理人
主权项
地址
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