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发明名称
Induktor zum Längsnahtschweißen von Rohren
摘要
申请公布号
AT172706(B)
申请公布日期
1952.10.10
申请号
ATD172706
申请日期
1951.05.31
申请人
DEUTSCHE EDELSTAHLWERKE AKTIENGESELLSCHAFT
发明人
DR. ING. GERHARD SEULEN;DIPL. ING. FRITZ ALF
分类号
主分类号
代理机构
代理人
主权项
地址
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