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经营范围
发明名称
Perfectionnements à l'usinage des métaux
摘要
申请公布号
FR1115951(A)
申请公布日期
1956.05.02
申请号
FRD1115951
申请日期
1954.10.12
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
分类号
B23P25/00
主分类号
B23P25/00
代理机构
代理人
主权项
地址
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ATTACHMENT CLIP