发明名称 PROCEDEU PENTRU COMPACTAREA PRAFULUI DE SILICE
摘要 <p>A method of compacting silica dust without the use of water is disclosed. The dust is charged to a hopper and is then injected with air under pressure whereby the weight per unit volume of the material is increased.</p>
申请公布号 RO72326(A) 申请公布日期 1981.06.30
申请号 RO19770090102 申请日期 1977.04.20
申请人 ELKEM SPIGERVERKET AS,NO 发明人 KONGSGAARDEN,OLE A.,NO
分类号 C01B33/18;B01J2/16;B01J19/00;B09B3/00;C01B33/025;C01B33/12;C04B18/14;(IPC1-7):01B33/18 主分类号 C01B33/18
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