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发明名称
Improvements in or relating to synchronous motor drives for electric selectors
摘要
申请公布号
GB491420(A)
申请公布日期
1938.09.01
申请号
GB19380000400
申请日期
1938.01.06
申请人
LANDIS & GYR A.-G.
发明人
分类号
H04Q9/04
主分类号
H04Q9/04
代理机构
代理人
主权项
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