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发明名称
Improvements in or relating to self-interrupted drive circuits for electromagnetically operated devices
摘要
申请公布号
GB686187(A)
申请公布日期
1953.01.21
申请号
GB19500008528
申请日期
1950.04.05
申请人
ERICSSON TELEPHONES LIMITED;CECIL VICTOR WILMAN
发明人
分类号
H02M7/62
主分类号
H02M7/62
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