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发明名称
Vorrichtung zum Einziehen bei stellenweisem Verstaerken der Wandung offener Enden von Hohlkoerpern
摘要
申请公布号
DE887485(C)
申请公布日期
1953.08.24
申请号
DE1939J000815D
申请日期
1939.08.15
申请人
INDUSTRIE-WERKE KARLSRUHE AKTIENGESELLSCHAFT
发明人
LAUER AMBROSIUS
分类号
B21D22/18;B21D41/04
主分类号
B21D22/18
代理机构
代理人
主权项
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