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发明名称
Improvements in or relating to switching systems
摘要
申请公布号
GB898281(A)
申请公布日期
1962.06.06
申请号
GB19610011088
申请日期
1961.03.27
申请人
MULLARD LIMITED
发明人
BACON KENNETH FRANK
分类号
H02M1/06;H03K17/73
主分类号
H02M1/06
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