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发明名称
Racquet for a ball game
摘要
A tennis racquet has a stringing (16) with two mutually spaced sets of strings (28, 30) substantially parallel to the main plane of the racquet head. <IMAGE>
申请公布号
DE3739433(A1)
申请公布日期
1989.06.01
申请号
DE19873739433
申请日期
1987.11.20
申请人
BOXHAMMER,PAUL
发明人
BOXHAMMER,PAUL
分类号
A63B51/06
主分类号
A63B51/06
代理机构
代理人
主权项
地址
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