| 摘要 |
PROBLEM TO BE SOLVED: To provide tile capable of more certainly following distortion of backing concrete, compared with the conventional tile. SOLUTION: This tile has a square external shape which is to be arranged on the surface of a concrete member. The tile has first dovetail grooves formed near the central portion of the tile in the width direction and also at least one second dovetail groove formed at the bottom of the first dovetail groove in the width direction on a tile installing surface provided on the concrete member. COPYRIGHT: (C)2008,JPO&INPIT
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