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发明名称
Perfectionnements aux potentiomètres
摘要
申请公布号
FR831289(A)
申请公布日期
1938.08.29
申请号
FRD831289
申请日期
1937.12.27
申请人
发明人
FITTERER GEORGE RAYMOND
分类号
H01C10/14
主分类号
H01C10/14
代理机构
代理人
主权项
地址
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