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02h0058377 20140408094550.0 s1965 dcuab fr |000|||eng | CNY200.00 NGL a720.66 Henderson, Arthur W. Extraction of tungsten from ore concentrates by chlorination / by Arthur W. Henderson, S. C. Rhoads, R. R. Brown. Washington, D.C. : U.S. Dept. of Commerce, Bureau of Mines, 1965. 22 p. : ill., maps ; 27 cm. Report of investigations (United States. Bureau of Mines) ; 6612 Tungsten. ; Chlorination. aBrown, R. R. ; aRhoads, S. C. Report of investigations (United States. Bureau of Mines) ; 6612. aCN bNGL 010001 P 720.66 R29u v6612 ; rCNY200.00 ; h1 yao011