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发明名称
Bowling ball with changeable weight and grip
摘要
申请公布号
US3212781(A)
申请公布日期
1965.10.19
申请号
US19620227172
申请日期
1962.10.01
申请人
FABANICH JOHN P
发明人
FABANICH JOHN P.
分类号
A63B37/00
主分类号
A63B37/00
代理机构
代理人
主权项
地址
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