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发明名称
Verfahren zur Aufbereitung von dolomit- und kalkspathaltigem Magnesit nach dem Schaumschwimmverfahren
摘要
申请公布号
AT194801(B)
申请公布日期
1958.01.25
申请号
ATD194801
申请日期
1956.10.24
申请人
ERZ- UND KOHLEFLOTATION G. M. B. H.
发明人
分类号
主分类号
代理机构
代理人
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