The use of farm tractors in thinning extraction operations
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Main Authors: | , , , |
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Format: | Texto biblioteca |
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Geneva (Switzerland)
1987
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Subjects: | FO EFC FWT, LOGGING, TRACTORS, EFFICIENCY, EQUIPMENT PERFORMANCE, RECOLTE DU BOIS, TRACTEUR, APROVECHAMIENTO DE LA MADERA, TRACTORES, EFFICACITE, PERFORMANCE DU MATERIEL, EFICACIA, DESEMPENO DE LA MAQUINARIA, |
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