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发明名称
VORRICHTUNG ZUR HERSTELLUNG VON GESCHWEISSTEN BLECHROHREN GROSSEN DURCHMESSERS, INSBESONDERE WETTERLUTTEN.
摘要
申请公布号
DE1639005(U)
申请公布日期
1952.05.29
申请号
DE1952B008291U
申请日期
1952.03.10
申请人
BISCHOFF-WERKE K.G. VORM PFINGSTMANN-WERKE
发明人
分类号
B23K37/053
主分类号
B23K37/053
代理机构
代理人
主权项
地址
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