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经营范围
发明名称
BALL LAUNCHER
摘要
申请公布号
GB8712120(D0)
申请公布日期
1987.06.24
申请号
GB19870012120
申请日期
1987.05.22
申请人
TOOMBS, D J
发明人
分类号
A63B69/40
主分类号
A63B69/40
代理机构
代理人
主权项
地址
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