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经营范围
发明名称
Verfahren und Vorrichtung zur Schwimm- und Sinkscheidung von Kohle oder Erz bzw. Mineralien
摘要
申请公布号
DE974817(C)
申请公布日期
1961.05.04
申请号
DE1950R003336
申请日期
1950.08.19
申请人
RIDLEY FRANK FROST;WILLIAM SCHOLES
发明人
RIDLEY FRANK FROST
分类号
B03B5/36;B03B11/00
主分类号
B03B5/36
代理机构
代理人
主权项
地址
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