Двухэтажный дом 11x12 - 111.8 м2 (арболитовые блоки) за руб.

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            [4] => 600 мм
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display_total_sum - 749 349stdClass Object
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            [5] => утепление 350 мм
            [6] => утепление 400 мм
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    [area_modifier] => 79.61
    [parent_name] => Перекрытие цоколя
    [parent_id] => 2
    [material_sum] => 442835
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display_total_sum - 749 349stdClass Object
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    [id] => 89
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            [4] => утепление 300 мм
            [5] => утепление 350 мм
            [6] => утепление 400 мм
            [7] => утепление 450 мм
            [8] => утепление 500 мм
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