| 摘要 |
PROBLEM TO BE SOLVED: To provide a wide straight-grained board which can inexpensively be sawn, and its manufacturing method. SOLUTION: The wide straight-grained board is manufactured by connecting a plurality of sawn straight grained boards 10 and 10 side by side so that the straight grains of the straight grained boards 10 and 10 are exposed to the surface. COPYRIGHT: (C)2004,JPO&NCIPI
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