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发明名称
Improvements relating to electrical selector switches
摘要
申请公布号
GB733710(A)
申请公布日期
1955.07.20
申请号
GB19530003511
申请日期
1953.02.07
申请人
FERRANTI LIMITED
发明人
DITCHFIELD GILBERT
分类号
H01H9/00
主分类号
H01H9/00
代理机构
代理人
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