| 摘要 |
PROBLEM TO BE SOLVED: To form a wall surface having a moisture conditioning function and high heat insulation. SOLUTION: Right and left woody column materials 21 and 21 are combined with woody lateral materials 22 and 22 overlapped in the multistage between the column materials 21 and 21. The lateral materials 22 and 22 can form a wall surface between the column materials 21 and 21, by engaging projecting strips 22a on the upper surface of the lower stage with engaging grooves 22b in the lower surface of the upper stage and inserting tenons 22c and 22c at both ends into holding grooves 21a and 21a of the column materials 21 and 21. COPYRIGHT: (C)2003,JPO
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