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经营范围
发明名称
Procédé de fabrication des tubes chauffants électriques
摘要
申请公布号
FR799570(A)
申请公布日期
1936.06.15
申请号
FRD799570
申请日期
1935.12.18
申请人
DR.-ING. SCHOTT & CO.
发明人
分类号
H05B3/48
主分类号
H05B3/48
代理机构
代理人
主权项
地址
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