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发明名称
Traceur d'arcs de circonférences de grands rayons
摘要
申请公布号
FR64083(E)
申请公布日期
1955.10.20
申请号
FRD64083
申请日期
1953.10.10
申请人
发明人
HENNEQUIN JEAN
分类号
B25H7/04
主分类号
B25H7/04
代理机构
代理人
主权项
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