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发明名称
Notebook with calculator
摘要
申请公布号
GB2224239(A)
申请公布日期
1990.05.02
申请号
GB19880021752
申请日期
1988.09.16
申请人
CHUN-CHUEN * LAU
发明人
CHUN-CHUEN * LAU
分类号
B42D5/00
主分类号
B42D5/00
代理机构
代理人
主权项
地址
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