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发明名称
Potentiometer or adjustable electric resistance
摘要
申请公布号
US2479206(A)
申请公布日期
1949.08.16
申请号
US19460664175
申请日期
1946.04.23
申请人
HARTFORD NATIONAL BANK AND TRUST COMPANY
发明人
BUGEL ROELOF DIRK
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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