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发明名称
Ziehring zum Ziehen von Hohlkoerpern
摘要
申请公布号
DE846537(C)
申请公布日期
1952.08.18
申请号
DE1949P049352
申请日期
1949.07.20
申请人
DORTMUND-HOERDER HUETTENUNION AKTIENGESELLSCHAFT
发明人
HOPPE CLEMENS DIPL.-ING.
分类号
B21C3/02
主分类号
B21C3/02
代理机构
代理人
主权项
地址
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