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Window sashes, door leaves, or like elements for closing openings; Layout of fixed or moving closures, e.g. windows; Features of rigidly-mounted outer frames relating to the mounting of wing frames (E 06 B 5/00 takes precedence; shutters or the like E 06 B 9/00; glass panes C 03; uniting glass sheets by fusion C 03 B 23/203; joining glass to glass other than by fusing or to other inorganic material C 03 C 27/00) |
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