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xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh khí nén thanh MY1B20 MY1B20G-100 150 200 250 300 350 400 L H, xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh khí nén thanh MY1B20 MY1B20G-500 550 600 650 700 750 800 L H, xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh khí nén thanh MY1B20 MY1B20G-500 600 700 750 800 850 900 L H