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PCE
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DIFF Subgroup
E04D 1/16

of ceramics, glass or concrete, with or without reinforcement

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Roof covering by making use of tiles, slates, shingles, or other small roofing elements > Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface > of ceramics, glass or concrete, with or without reinforcement

CPC:

Roof covering by making use of tiles, slates, shingles, or other small roofing elements (roofing supports E04D12/00) > Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface (E04D1/28, E04D1/30 take precedence) > of ceramics, glass or concrete, with or without reinforcement

No child classifications to compare. This is a leaf node in both IPC and CPC.