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发明名称
Vorrichtung zum elektrischen Widerstandserhitzen von Metallstangen und Rohren
摘要
申请公布号
DE731767(C)
申请公布日期
1943.02.19
申请号
DE1938S133906D
申请日期
1938.09.18
申请人
SOCIETE ANONYME LOUVROIL-MONTBARD-AULNOYE
发明人
分类号
C21D1/40
主分类号
C21D1/40
代理机构
代理人
主权项
地址
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