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发明名称
Verfahren und Vorrichtung zur fortlaufenden Herstellung von elektrisch geschweisstenRohren
摘要
申请公布号
DE922249(C)
申请公布日期
1955.01.13
申请号
DE1944M006342D
申请日期
1944.06.02
申请人
METALLSCHLAUCHFABRIK A.-G.
发明人
DREYER ALBERT
分类号
B23K11/06
主分类号
B23K11/06
代理机构
代理人
主权项
地址
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