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发明名称
Reinforced plastic bowling pin
摘要
申请公布号
US2510505(A)
申请公布日期
1950.06.06
申请号
US19450629892
申请日期
1945.11.20
申请人
LEONARD SR SUMMERS L
发明人
SR. SUMMERS L. LEONARD,
分类号
A63D9/00
主分类号
A63D9/00
代理机构
代理人
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