Erakusten 1 - 4 emaitzak -- 4 bilaketa honetara 'Andres, Demetrio', Bilaketaren denbora: 0,01s Findu emaitzak
  1. 1

    Lepanto centuries old mine [microform]. nork Andres, Demetrio

    Argitaratua 1973
    Visual Material

    Lepanto centuries old mine [microform].
  2. 2

    Five-year achievements of the Bureau of Mines as reflected in the rehabilitation of the mining industry nork Andres, Demetrio

    Argitaratua 1951
    Liburua

    Five-year achievements of the Bureau of Mines as reflected in the rehabilitation of the mining industry
  3. 3

    Comments on the Bell Report as it relates to the mining industry, and recommendations

    Argitaratua 1950
    Liburua

    Comments on the Bell Report as it relates to the mining industry, and recommendations
  4. 4

    The Philippine mining industry and mineral resources an appraisal nork Andres, Demetrio

    Argitaratua 1950
    Liburua

    The Philippine mining industry and mineral resources an appraisal

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