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发明名称
Verfahren und Vorrichtung zum Bearbeiten von Tretkurbelwellen und den entsprechendenTretkurbeln fuer Fahrraeder und aehnliche Fahrzeuge
摘要
申请公布号
DE922407(C)
申请公布日期
1955.01.17
申请号
DE1951G007506
申请日期
1951.11.27
申请人
CARLO GNUTTI & FIGLI S. P. A.
发明人
GNUTTI MARIO
分类号
B21D53/86
主分类号
B21D53/86
代理机构
代理人
主权项
地址
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