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发明名称
Device and method for forming electric resistances
摘要
申请公布号
GB372714(A)
申请公布日期
1932.05.12
申请号
GB19320001917
申请日期
1931.03.06
申请人
ETIENNE CHALLET
发明人
分类号
H05B3/16
主分类号
H05B3/16
代理机构
代理人
主权项
地址
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