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经营范围
发明名称
EDUCATIONAL TOY
摘要
申请公布号
GB1539068(A)
申请公布日期
1979.01.24
申请号
GB19760009390
申请日期
1976.03.09
申请人
B & H COM INVENTORS & DESIGNERS LTD;COOK P
发明人
分类号
G09B1/10;G09B17/00;(IPC1-7):G09B1/06
主分类号
G09B1/10
代理机构
代理人
主权项
地址
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