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发明名称
Perfectionnements apportés aux appareils pour la réduction de matériaux à l'état pulvérulent
摘要
申请公布号
FR1259034(A)
申请公布日期
1961.04.21
申请号
FR19600821075
申请日期
1960.03.11
申请人
发明人
DUBOIS LEON-JOSEPH
分类号
B02C1/14;B02C19/08
主分类号
B02C1/14
代理机构
代理人
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