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xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh không quay thanh CDQ2KB20-5 10 15 20 25 30 35 40 50DMZ CQ2KB, xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh không quay thanh CDQ2KB25-5 10 15 20 25 30 35 40 50DMZ CQ2KB, xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh không quay thanh CDQ2KB32-5 10 15 20 25 30 35 40 50DMZ CQ2KB