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发明名称
Adjustable resistor of the tubular type
摘要
申请公布号
US2473246(A)
申请公布日期
1949.06.14
申请号
US19450627138
申请日期
1945.11.07
申请人
HARDWICK-HINDLE, INC.
发明人
HASTINGS DONALD F.;WINKLER ROBERT H.
分类号
H01C10/38
主分类号
H01C10/38
代理机构
代理人
主权项
地址
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