DIFF Subgroup
A63C 19/10 Ice-skating or roller-skating rinks; Slopes or trails for skiing, ski-jumping or tobogganing
Introduced: September 1968
Full Title
Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor > Ice-skating or roller-skating rinks; Slopes or trails for skiing, ski-jumping or tobogganing
No child classifications to compare. This is a leaf node in both IPC and CPC.