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发明名称
Improvements in or relating to electric resistance devices
摘要
申请公布号
GB650143(A)
申请公布日期
1951.02.14
申请号
GB19480022346
申请日期
1948.08.25
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
GIBSON WILLIAM THOMAS
分类号
H01C7/04
主分类号
H01C7/04
代理机构
代理人
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地址
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