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发明名称
Improvements in and relating to the manufacture of tennis balls
摘要
申请公布号
GB441874(A)
申请公布日期
1936.01.27
申请号
GB19340021894
申请日期
1934.07.26
申请人
EDWARD POWIS
发明人
分类号
A63B39/08
主分类号
A63B39/08
代理机构
代理人
主权项
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