CPC Subgroup
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)
Full Title
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) > 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)
2 direct subcodes
Child Classifications
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