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发明名称
Perfectionnements relatifs aux produits en acier tels que matrices de travail à chaud
摘要
申请公布号
FR986313(A)
申请公布日期
1951.07.30
申请号
FRD986313
申请日期
1949.05.18
申请人
HEPPENSTALL COMPANY
发明人
分类号
C22C38/44
主分类号
C22C38/44
代理机构
代理人
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地址
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