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发明名称
Perfectionnements aux procédés et aux appareils pour la séparation pneumatique des matériaux de densités et grosseurs différentes
摘要
申请公布号
FR822371(A)
申请公布日期
1937.12.29
申请号
FRD822371
申请日期
1936.08.31
申请人
COMPAGNIE DES MINES DE BRUAY
发明人
SOULARY PAUL
分类号
B03B4/06
主分类号
B03B4/06
代理机构
代理人
主权项
地址
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