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发明名称
Werkzeug zur Herstellung von mit Einschnuerungen versehenen Rotationshohlkoerpern, z. B. in Kugelstabform
摘要
申请公布号
DE665920(C)
申请公布日期
1938.10.07
申请号
DE1936D073284D
申请日期
1936.08.13
申请人
ROBERT DEBOR
发明人
分类号
B21D51/24
主分类号
B21D51/24
代理机构
代理人
主权项
地址
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