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经营范围
发明名称
Improvements in or relating to boomerangs
摘要
申请公布号
GB718215(A)
申请公布日期
1954.11.10
申请号
GB19520015514
申请日期
1952.06.19
申请人
CHARLES ARCHIE BROWN
发明人
分类号
A63B65/08
主分类号
A63B65/08
代理机构
代理人
主权项
地址
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