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发明名称
Procédé et appareils de séparation pneumatique pour matériaux de densité différente
摘要
申请公布号
FR37404(E)
申请公布日期
1930.12.15
申请号
FRD37404
申请日期
1929.04.15
申请人
COMPAGNIE DES MINES DE BRUAY
发明人
SOULARY PAUL
分类号
B03B4/00
主分类号
B03B4/00
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代理人
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