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发明名称
Grenaille de fonte hématite, à dureté élevée, et son procédé de fabrication
摘要
申请公布号
FR1547503(A)
申请公布日期
1968.11.29
申请号
FR19670116459
申请日期
1967.08.01
申请人
POUDRES ET GRENAILLES METALLIQUES
发明人
分类号
B22F1/00;B22F9/00;C09K3/14
主分类号
B22F1/00
代理机构
代理人
主权项
地址
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