DIFF Subgroup
B21B 27/06 Lubricating, cooling or heating rolls
Introduced: September 1968
Title
Titles differ between systems:
IPC: Lubricating, cooling, or heating rolls
CPC: Lubricating, cooling or heating rolls
Full Title
Full titles differ between systems:
IPC:
Rolls; Lubricating, cooling or heating rolls while in use > Lubricating, cooling, or heating rolls
CPC:
Rolls, (shape of working surfaces required by special processes B21B1/00); Lubricating, cooling or heating rolls while in use > Lubricating, cooling or heating rolls
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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