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发明名称
Varifunction potentiometer
摘要
申请公布号
US2662144(A)
申请公布日期
1953.12.08
申请号
US19490116508
申请日期
1949.09.19
申请人
WILENTCHIK JERZY J
发明人
WILENTCHIK JERZY J.
分类号
G06G7/26
主分类号
G06G7/26
代理机构
代理人
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