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发明名称
Verfahren und Vorrichtung zur Herstellung von Flaechen an Hohlkoerpern
摘要
申请公布号
DE926903(C)
申请公布日期
1955.04.25
申请号
DE1949P034833D
申请日期
1949.02.23
申请人
FA. JOSEF SCHULTE-UFER, SUNDERN (WESTF.)
发明人
ARNSBERG) ANTON BETTEN, STOCKUM (KR.
分类号
B21C37/20;B21D22/02
主分类号
B21C37/20
代理机构
代理人
主权项
地址
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