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经营范围
发明名称
Procédé pour augmenter la résistance à la formation de criques sur les pièces trempées à surfaces courbes
摘要
申请公布号
FR1537516(A)
申请公布日期
1968.08.23
申请号
FR19670121854
申请日期
1967.09.22
申请人
ZAHNRADFABRIK FRIEDRICHSHAFEN AKTIENGESELLSCHAFT
发明人
分类号
C21D7/04
主分类号
C21D7/04
代理机构
代理人
主权项
地址
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