摘要 |
FIELD: forestry, in particular, clearing cuttings in coniferous and foliaceous natural forests. SUBSTANCE: lumbering machine has girder embracing arm. Girder sides are formed as pivotally joined torque links. Sections of telescopic arm are made cylindrical. EFFECT: simplified construction and wider operational capabilities of pivotally joined girder. 3 cl, 5 dwg
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