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发明名称
Bowling ball
摘要
申请公布号
US2859039(A)
申请公布日期
1958.11.04
申请号
US19550553948
申请日期
1955.12.19
申请人
JEROME CHESTER W
发明人
JEROME CHESTER W.
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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