DIFF Subgroup
E02D 29/02 Retaining or protecting walls (piers or quay walls E02B3/06)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Retaining or protecting walls
CPC: Retaining or protecting walls (piers or quay walls E02B3/06)
Full Title
Full titles differ between systems:
IPC:
Underground or underwater structures; Retaining walls > Retaining or protecting walls
CPC:
underground or underwater structures (underground tanks B65D88/76; hydraulic engineering, e.g. sealings or joints, E02B; underground garages E04H6/00; underground air-raid shelters E04H9/12; burial vaults E04H13/00); Retaining walls > Retaining or protecting walls (piers or quay walls E02B3/06)
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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