Constructional assembly

A constructional assembly comprises a steel frame 4 securable to a building structure and two glazed doors hinged to the frame and each including a steel surround 5. The frame and door surrounds are each composed of hollow shaped side members (4, 5) selectably fillable with fire-resistant material....

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Bibliographic Details
Main Authors WILHELM KARL MULLER, KARL MULLER
Format Patent
LanguageEnglish
Published 31.12.1987
Edition4
Subjects
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL
FIXED CONSTRUCTIONS
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES
LADDERS
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