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经营范围
发明名称
速学自动拼音卡
摘要
申请公布号
CN3114865D
申请公布日期
1999.06.30
申请号
CN98327315.4
申请日期
1998.10.04
申请人
洪成杓
发明人
洪成杓
分类号
19-01-C0113
主分类号
19-01-C0113
代理机构
代理人
主权项
地址
157003黑龙江省牡丹江市西三条路新立二道街35号
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