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经营范围
发明名称
Potentiometer
摘要
申请公布号
US2675451(A)
申请公布日期
1954.04.13
申请号
US19520315756
申请日期
1952.10.20
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
TINUS WILLIAM C.
分类号
H01C10/28;H01F21/00
主分类号
H01C10/28
代理机构
代理人
主权项
地址
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