| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gut for a racket that has combined fashionability, practicality and functionality and is preferably used, in particular, for practice of a beginner. <P>SOLUTION: The gut for the racket contains 0.1-30 wt.% of piezochromic material in at least part of a synthetic resin filament comprising the gut for the racket. <P>COPYRIGHT: (C)2013,JPO&INPIT |
