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PCE
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CPC Subgroup
E04D 3/04

of concrete or ceramics (of asbestos cement E04D3/18)

Full Title

Roof covering by making use of flat or curved slabs or stiff sheets (E04D1/00 takes precedence; built-up roofs E04D11/02) > of plane slabs, slates, or sheets, or in which the cross-section is unimportant (E04D3/35 takes precedence) > of concrete or ceramics (of asbestos cement E04D3/18)