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发明名称
Verfahren und Vorrichtung zur Herstellung doppelwandiger Röhren.
摘要
申请公布号
AT159935(B)
申请公布日期
1940.12.27
申请号
ATD159935
申请日期
1938.03.30
申请人
MECANO SPEZIALARTIKEL FUER KRAFTFAHRZEUGE HANS SICKINGER
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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