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发明名称
Boomerang
摘要
申请公布号
US2361988(A)
申请公布日期
1944.11.07
申请号
US19420456831
申请日期
1942.08.31
申请人
BONNIFIELD WEST B
发明人
BONNIFIELD WEST B.
分类号
A63B65/08
主分类号
A63B65/08
代理机构
代理人
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