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发明名称
WRITING IMPLEMENT WITH SOUND PRODUCER
摘要
申请公布号
GB9102829(D0)
申请公布日期
1991.03.27
申请号
GB19910002829
申请日期
1991.02.11
申请人
BRAINY TOYS INC
发明人
分类号
B43K29/00
主分类号
B43K29/00
代理机构
代理人
主权项
地址
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