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发明名称
LEAF FLIPPER
摘要
申请公布号
CA308155(A)
申请公布日期
1931.01.27
申请号
CAD308155
申请日期
申请人
THE MCMILLAN BOOK COMPANY
发明人
REGINALD M. RAYNOLDS
分类号
主分类号
代理机构
代理人
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