DIFF Subgroup
E21D 5/04 with brick, concrete, stone, or similar building materials (E21D5/01, E21D5/012, E21D5/016 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: with brick, concrete, stone, or similar building materials
CPC: with brick, concrete, stone, or similar building materials (E21D5/01, E21D5/012, E21D5/016 take precedence)
Full Title
Full titles differ between systems:
IPC:
Lining shafts; Linings therefor > with brick, concrete, stone, or similar building materials
CPC:
Lining shafts; Linings therefor (E21D11/00 takes precedence ) > with brick, concrete, stone, or similar building materials (E21D5/01, E21D5/012, E21D5/016 take precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.