Machinery for forestry. Portable hand-held brush cutters and grass trimmers with backpack mounted combustion engine power source. Safety requirements and testing— 24 стр.
Forestry machinery. Backpack power units for brush cutters, grass trimmers, pole cutters and similar appliances. Safety requirements and testing— 18 стр.
Agricultural and forestry machinery. Safety requirements and testing for portable, hand-held, powered brush-cutters and grass-trimmers. Machines for use with back-pack power unit— 16 стр.
Agricultural and forestry machinery. Safety requirements and testing for portable, hand-held, powered brush-cutters and grass-trimmers. Machines for use with back-pack power unit— 16 стр.
