| 摘要 |
PROBLEM TO BE SOLVED: To provide a tennis game which can be played by five or more players though it could have been played by four or less people conventionally. SOLUTION: A pole 2 is arranged in the center of a circular tennis ground 1 which is radially divided into a plurality of partitions; then, a rubber ball is hit with tennis rackets. COPYRIGHT: (C)2009,JPO&INPIT
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