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发明名称
Procédé et dispositif pour l'usinage des écrous
摘要
申请公布号
FR751927(A)
申请公布日期
1933.09.12
申请号
FRD751927
申请日期
1933.02.07
申请人
发明人
ERLOTTI MARIO
分类号
B21K1/68
主分类号
B21K1/68
代理机构
代理人
主权项
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