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发明名称
Einrichtung an Zahnradstossmaschinen zum Abheben des Schneidwerkzeugs von dem zu bearbeitenden Zahnrad auf dem Rueckhub
摘要
申请公布号
DE747839(C)
申请公布日期
1944.10.18
申请号
DE1939F087726D
申请日期
1939.12.13
申请人
GEORG GERT FREDERICHS
发明人
FREDERICHS GEORG GERT
分类号
B23F5/16;B23F23/12;B23Q1/68
主分类号
B23F5/16
代理机构
代理人
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