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Priority to NL6508638ApriorityCriticalpatent/NL6508638A/xx
Publication of NL6508638ApublicationCriticalpatent/NL6508638A/xx
E04C3/00—Structural elongated elements designed for load-supporting
E04C3/38—Arched girders or portal frames
E04C3/42—Arched girders or portal frames of wood, e.g. units for rafter roofs
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
E04C3/00—Structural elongated elements designed for load-supporting
E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members