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发明名称
Improvements in or relating to control systems for alternating current motors
摘要
申请公布号
GB646924(A)
申请公布日期
1950.11.29
申请号
GB19470012461
申请日期
1947.05.08
申请人
WESTINGHOUSE ELECTRICAL INTERNATIONAL COMPANY
发明人
分类号
B65H23/185;B65H23/198
主分类号
B65H23/185
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