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发明名称
Ball game apparatus
摘要
申请公布号
US1999548(A)
申请公布日期
1935.04.30
申请号
US19330687254
申请日期
1933.08.29
申请人
STUTZENBURG ROBERT J
发明人
STUTZENBURG ROBERT J.
分类号
A63F7/06
主分类号
A63F7/06
代理机构
代理人
主权项
地址
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