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发明名称
Potentiometers or variable resistor element
摘要
申请公布号
US2705273(A)
申请公布日期
1955.03.29
申请号
US19520300907
申请日期
1952.07.25
申请人
THE PLESSEY COMPANY LIMITED
发明人
BELL ERNEST ALFRED DE
分类号
H01C10/32
主分类号
H01C10/32
代理机构
代理人
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地址
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