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发明名称
Electric follow-up systems
摘要
申请公布号
GB665541(A)
申请公布日期
1952.01.23
申请号
GB19470008863
申请日期
1947.04.01
申请人
CONTRAVES A.G.
发明人
分类号
G05D3/14
主分类号
G05D3/14
代理机构
代理人
主权项
地址
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