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发明名称
Zwischengluehung vor dem Umpressen von Aluminiumrotationshohlkoerpern in eine andereForm
摘要
申请公布号
DE672653(C)
申请公布日期
1939.03.07
申请号
DE1934S112427D
申请日期
1934.01.10
申请人
FIRMA ED. SOMMERFELD
发明人
分类号
B21D51/26
主分类号
B21D51/26
代理机构
代理人
主权项
地址
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