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02h0058651 20140409090703.0 s1981 dcuab fr |000|||eng | CNY200.00 NGL a720.66 Raddatz, A. E. Laboratory investigation of sulfurous acid leaching of kaolin for preparing alumina / by A. E. Raddatz, J. M. Gomes, M. M. Wong. Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1981. 15 p. : ill., maps ; 27 cm. Report of investigations (United States. Bureau of Mines) ; 8533 Aluminum oxide. ; Kaolin. ; Leaching. ; Sulfurous acid. aWong, M. M. ; aGomes, J. M. Report of investigations (United States. Bureau of Mines) ; 8533. aCN bNGL 010001 P 720.66 R29u v8533 ; rCNY200.00 ; h1 yao011