CPC Subgroup
B21B 27/106 Full Title
Rolls, (shape of working surfaces required by special processes B21B1/00); Lubricating, cooling or heating rolls while in use > Lubricating, cooling or heating rolls > externally
B21B 27/106 Rolls, (shape of working surfaces required by special processes B21B1/00); Lubricating, cooling or heating rolls while in use > Lubricating, cooling or heating rolls > externally