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发明名称
Procédé et dispositif pour la fabrication de corps de chauffe tubulaires électriques
摘要
申请公布号
FR902739(A)
申请公布日期
1945.09.11
申请号
FRD902739
申请日期
1944.03.15
申请人
发明人
FISCHER KARL
分类号
H01B7/16
主分类号
H01B7/16
代理机构
代理人
主权项
地址
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