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发明名称
Improvements in variable attenuator means
摘要
申请公布号
GB859563(A)
申请公布日期
1961.01.25
申请号
GB19560014121
申请日期
1956.05.07
申请人
WOLSEY ELECTRONICS LIMITED
发明人
MARTINDILL BOYCE GILBERT
分类号
H01C10/06;H03H7/24
主分类号
H01C10/06
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代理人
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