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Priority to NL6502298ApriorityCriticalpatent/NL6502298A/xx
Publication of NL6502298ApublicationCriticalpatent/NL6502298A/xx
E04C3/00—Structural elongated elements designed for load-supporting
E04C3/30—Columns; Pillars; Struts
E04C3/32—Columns; Pillars; Struts of metal
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
E04C3/00—Structural elongated elements designed for load-supporting
E04C3/005—Girders or columns that are rollable, collapsible or otherwise adjustable in length or height
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
E04H12/185—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic with identical elements