with bricks

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

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 > with bricks

CPC:

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 ) > with bricks

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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E21D 11/07 using brick- laying machines IPC+CPC Available in IPC and CPC