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发明名称
Improvements in electrical resistance devices
摘要
申请公布号
GB367004(A)
申请公布日期
1932.02.05
申请号
GB19300033284
申请日期
1930.11.05
申请人
EDWIN NIBLOCK LIGHTFOOT
发明人
分类号
H01C3/10
主分类号
H01C3/10
代理机构
代理人
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