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发明名称
Improvements in or relating to potentiometers
摘要
申请公布号
GB878116(A)
申请公布日期
1961.09.27
申请号
GB19590042261
申请日期
1959.12.11
申请人
WELWYN ELECTRIC LIMITED
发明人
COVINGTON JOHN HENRY
分类号
H01C10/30
主分类号
H01C10/30
代理机构
代理人
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地址
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