E04B 7/04

Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs supported by horizontal beams or the equivalent resting on the walls

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data.epo.org/linked-data/def/cpc/E04B7-04

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Patent classification

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E04B 7/045

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Cooperative Patent Classification

Parent Classification

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E04B 7/02

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