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英语字母卡片
摘要
省略其它视图。
申请公布号
CN3121244D
申请公布日期
1999.09.15
申请号
CN98331967.7
申请日期
1998.10.30
申请人
何发怀
发明人
何发怀
分类号
19-08-C0119
主分类号
19-08-C0119
代理机构
南充市专利事务所
代理人
杜应龙
主权项
地址
637200四川省西充县木角初中
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