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发明名称
Potentiometer
摘要
申请公布号
US3054076(A)
申请公布日期
1962.09.11
申请号
US19600028071
申请日期
1960.05.10
申请人
TREFF ERNEST H
发明人
TREFF ERNEST H.
分类号
H01C10/32
主分类号
H01C10/32
代理机构
代理人
主权项
地址
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