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发明名称
Perfectionnements apportés aux procédés du genre de ceux pour obtenir des corps de conductibilités thermiques déterminées, notamment pour la trempe
摘要
申请公布号
FR976635(A)
申请公布日期
1951.03.20
申请号
FRD976635
申请日期
1942.05.12
申请人
YACCO S. A. F.
发明人
分类号
C21D1/56
主分类号
C21D1/56
代理机构
代理人
主权项
地址
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