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Building elements of block or other shape for the construction of parts of buildings (of relatively thin form E 04 C 2/00; structural elongated elements designed for load-supporting E 04 C 3/00, e.g. columns or pillars E 04 C 3/30; manufacture or material of building bricks, stones, or the like B 28, C 03, C 04; paving elements
E 01 C; general building constructions E 04 B, e.g. walls E 04 B 2/00, floors E 04 B 5/00, roofs E 04 B 7/00, ceilings E 04 B 9/00; structural elements specially designed for built-in conduit shafts E 04 F; special elements for building ovens or furnaces
F 24 B, F 27 D) [5] |
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