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发明名称
Perfectionnements aux appareils pour le dressage de fils, tiges et barres
摘要
申请公布号
FR822318(A)
申请公布日期
1937.12.28
申请号
FRD822318
申请日期
1937.05.27
申请人
D. GILSON & COMPANY LIMITED
发明人
分类号
B21F1/02
主分类号
B21F1/02
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代理人
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