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经营范围
发明名称
线谱教具
摘要
省略其它视图。
申请公布号
CN3196743D
申请公布日期
2001.08.15
申请号
CN00307569.9
申请日期
2000.05.18
申请人
王莲英;张翠微
发明人
王莲英;张微
分类号
19-07-T0095
主分类号
19-07-T0095
代理机构
代理人
主权项
地址
450007河南省郑州市中原区互助路小学
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