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经营范围
发明名称
Résistance électrique tubulaire
摘要
申请公布号
FR1103504(A)
申请公布日期
1955.11.03
申请号
FRD1103504
申请日期
1954.04.17
申请人
NEC
发明人
分类号
H05B3/40
主分类号
H05B3/40
代理机构
代理人
主权项
地址
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