DIFF Subgroup Additional Only
B21B 2027/086 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 > internally
B21B 2027/086 Rolls, (shape of working surfaces required by special processes B21B1/00); Lubricating, cooling or heating rolls while in use > Lubricating, cooling or heating rolls > internally