E21D 11/04 Lining with building materials (E21D11/02, E21D11/14 take precedence )
Introduced: September 1968
Title
Titles differ between systems:
IPC: Lining with building materials
CPC: Lining with building materials (E21D11/02, E21D11/14 take precedence )
Full Title
Full titles differ between systems:
Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings , e.g. by assembling > Lining with building materials
Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling (E21D15/00 - E21D23/00 take precedence; specially for shafts E21D5/00; ; lining pressure water galleries, linings therefor E02B9/06) > Lining with building materials (E21D11/02, E21D11/14 take precedence )
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E21D 11/10 with concrete cast in situ; Shuttering or other equipment adapted therefor +3 CPC IPC+CPC Available in IPC and CPC
- E21D 11/12 Temporary supports for use during building ; Accessories IPC+CPC Available in IPC and CPC