CPC Main Group
E01H 4/00 Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow (production of artificial snow F25C3/04)
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open
- E01H 4/02 for sporting purposes, e.g. preparation of ski trails; , e.g. devices adapted for ski-trails (production of snow or ice for winter sports or similar recreational purposes F25C3/00)