Timber skidding by tractor in the Ussr.
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| Main Authors: | , , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
1959
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| Subjects: | FO APFC FWT, OPERATING COSTS, LABOUR, TRACTORS, HAULING, LOGGING, COUT OPERATIONNEL, TRAVAIL, TRACTEUR, DEBARDAGE, RECOLTE DU BOIS, COSTOS DE EXPLOTACION, TRABAJO, TRACTORES, SACA DE LA MADERA, APROVECHAMIENTO DE LA MADERA, |
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