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发明名称
Low gradient resistor
摘要
申请公布号
US1948354(A)
申请公布日期
1934.02.20
申请号
US19310559589
申请日期
1931.08.26
申请人
HUGH H. EBY
发明人
LODGE EDMUND G.
分类号
H01C10/22
主分类号
H01C10/22
代理机构
代理人
主权项
地址
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