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发明名称
Verfahren zur Herstellung von blechfoermigen Mehrfachmetallkoerpern
摘要
申请公布号
DE504725(C)
申请公布日期
1930.08.09
申请号
DE1926K101655D
申请日期
1926.11.12
申请人
FRIED. KRUPP AKT.-GES.
发明人
LEWICKI WILHELM
分类号
B21B47/00;B23K20/00
主分类号
B21B47/00
代理机构
代理人
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