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发明名称
Improvements in or relating to speed control of electric motors
摘要
申请公布号
GB380489(A)
申请公布日期
1932.09.16
申请号
GB19310011265
申请日期
1931.04.16
申请人
STANDARD TELEPHONES AND CABLES, LIMITED;AMUND BRAATEN
发明人
分类号
H02K23/02
主分类号
H02K23/02
代理机构
代理人
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地址
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