| 摘要 |
PURPOSE: A multi-layer body for installing an insertion space between plural layers of plural closed spaces is provided to save the energy by effectively keeping temperature and to improve the soundproof and thermal insulation effects. CONSTITUTION: A multi-layer body(10) for installing an insertion space between plural layers of plural closed spaces is composed of plural walls(11,11-1), plural closed spaces(12,12-1), and an insertion space(14). The walls form the closed spaces. The insertion space is installed between vertical walls of the walls and the closed spaces. A pipe and an electric wire are inserted in the insertion space.
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