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E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
E05D15/00—Suspension arrangements for wings
E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
E05D15/46—Suspension arrangements for wings supported on arms movable in vertical planes with two pairs of pivoted arms
E05D15/463—Suspension arrangements for wings supported on arms movable in vertical planes with two pairs of pivoted arms specially adapted for overhead wings