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经营范围
发明名称
Improvements in or relating to apparatus for practising strokes with a tennis racket
摘要
申请公布号
GB479561(A)
申请公布日期
1938.02.08
申请号
GB19370004016
申请日期
1937.02.10
申请人
FERENZ SCHMIDT
发明人
分类号
A63B69/38
主分类号
A63B69/38
代理机构
代理人
主权项
地址
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