| 摘要 |
PROBLEM TO BE SOLVED: To prevent the requirement of a large force for peeling when floor panels having flat surfaces are stacked. SOLUTION: In the sticking preventive structure of the floor panels, the sticking of mutual flat top faces and undersides at a time when the floor panels for double floors having the flat top faces and undersides are stacked. In the sticking preventive structure of the floor panels, a large number of small recesses or small projections are formed to the floor panels. COPYRIGHT: (C)2010,JPO&INPIT
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