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经营范围
发明名称
变色轮玩具
摘要
1.省略其它视图。2.请求保护色彩。
申请公布号
CN3019296D
申请公布日期
1993.06.09
申请号
CN92303533.8
申请日期
1992.08.21
申请人
孙朝晖
发明人
孙朝晖
分类号
21-01
主分类号
21-01
代理机构
山东省专利服务处
代理人
成振村
主权项
地址
256603山东省滨州市黄河三路522号滨州医学院
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