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经营范围
发明名称
Combined spinning and whistling toy
摘要
申请公布号
USD257864(S1)
申请公布日期
1981.01.13
申请号
US05/840142
申请日期
1977.10.07
申请人
发明人
分类号
主分类号
代理机构
代理人
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