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发明名称
Game ball
摘要
申请公布号
US2776139(A)
申请公布日期
1957.01.01
申请号
US19540411070
申请日期
1954.02.18
申请人
BLAMEY JR WILLIAM F;MULLANY DAVID N
发明人
JR. WILLIAM F. BLAMEY,;MULLANY DAVID N.
分类号
A63B43/00
主分类号
A63B43/00
代理机构
代理人
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