DIFF Subgroup
F16M 11/2021 Full Title
Stands or trestles as supports for apparatus or articles placed thereon (without heads F16M13/00; easels or stands for blackboards or the like A47B97/04; show-stands A47F7/00; for workmen E04G1/32; supporting or suspending for lighting devices F21V21/00) > Undercarriages with or without wheels
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.