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  1. 1

    Calapan, gov't institute, company to promote harvesting machine

    Published in Manila Bulletin (2001)
    Article
  2. 2

    De La Salle engineers invent rice harvester

    Published in Today (1998)
    Article
  3. 3

    Operations of harvesters and threshers, Southern Luzon

    Published 1978
    Book
  4. 4

    Operations of harvesters and threshers Central Luzon

    Published 1978
    Book
  5. 5
  6. 6

    Cyrus Hall McCormick by Hutchinson, William Thomas, 1895-

    Published 1930
    Book
  7. 7

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