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4.23.8 The range between any adjustment in flooring degree and the centre line of an entrance in an emergency situation path or in between two adjustments of floor level in such course will be not less than 1,5 m (see number 4). 4.21.3 The aggregate size of retreat courses shall be so dispersed that the minimal widths of specific paths offering any kind of room, storey or part thereof will be as nearly equivalent to each various other as is possible. 4.19.9 No door giving access to an emergency path shall, when opened, block the progress of persons making use o
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