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经营范围
发明名称
Matrice perfectionnée
摘要
申请公布号
FR1043508(A)
申请公布日期
1953.11.10
申请号
FRD1043508
申请日期
1951.10.05
申请人
HARD ALLOYS LIMITED
发明人
分类号
B21C25/02;B21D37/01
主分类号
B21C25/02
代理机构
代理人
主权项
地址
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