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发明名称
Inflated ball and method of its manufacture
摘要
申请公布号
US2129238(A)
申请公布日期
1938.09.06
申请号
US19370137412
申请日期
1937.04.17
申请人
RIDDELL JOHN T
发明人
RIDDELL JOHN T.
分类号
主分类号
代理机构
代理人
主权项
地址
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