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发明名称
Aufbereitung von Kohle, Graphit od. dgl. nach dem Schaumschwimmverfahren
摘要
申请公布号
DE849831(C)
申请公布日期
1952.09.18
申请号
DE1951E004235
申请日期
1951.08.18
申请人
ERZ- U. KOHLE-FLOTATION G.M.B.H.
发明人
SCHAEFER WILHELM DR. PHIL.
分类号
B03D1/016
主分类号
B03D1/016
代理机构
代理人
主权项
地址
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