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发明名称
METHOD OF MAKING A GAME BALL
摘要
申请公布号
CA623648(A)
申请公布日期
1961.07.11
申请号
CAD623648
申请日期
申请人
DOMINION RUBBER COMPANY
发明人
JOHN D. KERN;ROBERT C. KOHRN
分类号
主分类号
代理机构
代理人
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