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发明名称
Perfectionnements à la fabrication des compas de dessinateur
摘要
申请公布号
FR1033470(A)
申请公布日期
1953.07.10
申请号
FRD1033470
申请日期
1951.03.06
申请人
SOCIETE INDUSTRIELLE & COMMERCIALE DES OUVRIERS LUNETIERS
发明人
分类号
B43L9/16;C22C14/00
主分类号
B43L9/16
代理机构
代理人
主权项
地址
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