CPC Subgroup
A63H 18/005 Full Title
Highways or trackways for toys (railway permanent way A63H19/30; for special railways A63H21/00); Propulsion by special interaction between vehicle and track
A63H 18/005 Highways or trackways for toys (railway permanent way A63H19/30; for special railways A63H21/00); Propulsion by special interaction between vehicle and track