Showing 1 - 3 results of 3 for search 'Wilhelm, H.A', query time: 0.02s Refine Results
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    CAUSTIC FUSION OF COLUMBITE-TANTALITE CONCENTRATES WITH SUBSEQUENT SEPARATION OF NIOBIUM AND TANTALUM by Wilhelm, H.A, Pierret, J.A

    Published 1956
    Online Access
    Government Document Electronic eBook
  3. 3

    SEPARATION OF NIOBIUM AND TANTALUM BY LIQUID EXTRACTION by Wilhelm, H.A, Smutz, M., Koerner, E.L. Jr

    Published 1956
    Online Access
    Government Document Electronic eBook
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