| 摘要 |
PROBLEM TO BE SOLVED: To provide an innovative panel body. SOLUTION: A panel body 3 for constructing a concrete wall 2 of a house 1 comprises a concrete front body 4 and a concrete back body 5 having flat outer faces 4a, 5a, and convexo-concave inner faces 4b, 5b, which are placed opposite to each other. Thus, the front body 4 and back body 5 are united to form the panel body 3 with a thermal insulator 6 interposed in-between.
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