Asosiy kontentga oʻtish

Gregory Holt

5 ta ish

Agricultural Research Service

  1. Ginning

    E. Hughs, Gregory Holt

    Bob20153 iqtibos
    ABI
  2. COTTON GINNERS HANDBOOK: Development of the Cotton Gin

    Sidney E. Hughs, Gregory Holt, C. B. Armijo +2

    Maqola20202 iqtibos
    ABI