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发明名称
Verfahren zur Gewinnung von aschenaermster Reinkohle durch Aufbereitung von schon vorbehandelter aschenarmer Kohle mittels Schaumschwimmaufbereitung
摘要
申请公布号
DE743287(C)
申请公布日期
1944.01.08
申请号
DE1939K156304D
申请日期
1939.12.19
申请人
DR.-ING. FRIEDRICH LUDWIG KUEHLWEIN
发明人
KUEHLWEIN DR.-ING. FRIEDRICH LUDWIG
分类号
B03D1/06
主分类号
B03D1/06
代理机构
代理人
主权项
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