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发明名称
带有日历时钟的广告牌(B)
摘要
申请公布号
CN3178529D
申请公布日期
2001.02.28
申请号
CN00331182.1
申请日期
2000.06.28
申请人
孙德伟
发明人
孙德伟
分类号
20-03-B0234
主分类号
20-03-B0234
代理机构
代理人
主权项
地址
316000浙江省定海桔园北区27幢61号501室
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