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发明名称
Improved means for anchoring the bladders of foot-and like game-balls within their casing
摘要
申请公布号
GB402634(A)
申请公布日期
1933.12.07
申请号
GB19330006764
申请日期
1933.03.06
申请人
WILLIAM SYKES LIMITED;WILLIAM JAMES WYCHERLEY
发明人
分类号
A63B41/08
主分类号
A63B41/08
代理机构
代理人
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