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PCE
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DIFF Subgroup
E04B 1/3205

Full Title

Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs (scaffolds, shutterings E04G; structures specially adapted for buildings for special purposes, general layout of buildings, e.g. modular co-ordination, E04H) > Arched structures; Vaulted structures; Folded structures ( vaulted roofs E04B7/08)