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发明名称
Verfahren zur Herstellung eines Flotationsmittels
摘要
申请公布号
DE802570(C)
申请公布日期
1951.02.15
申请号
DE1949P048540
申请日期
1949.07.12
申请人
BERGWERKSVERBAND ZUR VERWERTUNG VON SCHUTZRECHTEN DER KOHLENTECHNIK G.M.B.H.
发明人
HUCK GEORG DR.;KARWEIL JOACHIM DR.;KLEMPT WALTER DR.
分类号
B03D1/012
主分类号
B03D1/012
代理机构
代理人
主权项
地址
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