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发明名称
NOVEL TENNIS BALL
摘要
Tennis ball which comprises an elastomeric polyurethane foam having a ball shape and a density of 250-800 kg/m3, which foam is covered with a textile material.
申请公布号
KR101271820(B1)
申请公布日期
2013.06.07
申请号
KR20097001861
申请日期
2007.06.05
申请人
发明人
分类号
A63B37/00;A63B37/06
主分类号
A63B37/00
代理机构
代理人
主权项
地址
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