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发明名称
Book structure
摘要
申请公布号
GB2194198(A)
申请公布日期
1988.03.02
申请号
GB19870016865
申请日期
1987.07.17
申请人
BYUNG YUN * NAM
发明人
BYUNG YUN * NAM
分类号
G09B19/00;B42D1/00;B42D5/00;(IPC1-7):B42D1/00
主分类号
G09B19/00
代理机构
代理人
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