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经营范围
发明名称
Potentiometer
摘要
申请公布号
US2908882(A)
申请公布日期
1959.10.13
申请号
US19580724548
申请日期
1958.03.28
申请人
GOTTSCHALL HERBERT A;LOUIS ARNOLD S;FREDERIC GUGGENHEIM S
发明人
GOTTSCHALL HERBERT A.;LOUIS ARNOLD S.;GUGGENHEIM S. FREDERIC
分类号
H01C10/20;H01C10/32
主分类号
H01C10/20
代理机构
代理人
主权项
地址
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