CPC Subgroup
E04F 11/163 Full Title
Stairways, ramps, or like structures (mounting or marking-off stairways E04F21/26; of temporary construction E04G27/00; means for facilitating access to swimming pools E04H4/144; ); Balustrades; Handrails (ladders permanently attached to fixed structures E06C9/00) > Stairways; Layouts thereof > Treads > Surfaces thereof; Protecting means for edges or corners thereof ( floor fabrics, fastenings therefor A47G27/00)
1 direct subcode
Child Classifications
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