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发明名称
Verfahren zur Herstellung von Naepfen fuer huelsenfoermige Hohlkoerper
摘要
申请公布号
DE870636(C)
申请公布日期
1953.03.16
申请号
DE1943M003874D
申请日期
1943.10.24
申请人
MAY OTTO DR.-ING.
发明人
MAY OTTO DR.-ING.
分类号
B21K21/02
主分类号
B21K21/02
代理机构
代理人
主权项
地址
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