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经营范围
发明名称
MULTI-PURPOSE BOOKREST
摘要
申请公布号
GB8909129(D0)
申请公布日期
1989.06.07
申请号
GB19890009129
申请日期
1989.04.21
申请人
JAM, BOO-LIN
发明人
分类号
A47B23/06;G02B27/02
主分类号
A47B23/06
代理机构
代理人
主权项
地址
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