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xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh CUJB20 CDUJB20-5D 10D 15D 20D 25D 30D M, xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh CUJB20 CDUJB20-5DM 10D 15DM 20D 25DM 30DM, xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh CUJB4 CDUJB4-4D 6D 8D 10D 15D 20D 25D 30D-DM