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发明名称
Improvements in or relating to book and like covers or wrappers
摘要
申请公布号
GB690550(A)
申请公布日期
1953.04.22
申请号
GB19490027220
申请日期
1949.10.24
申请人
KENNETH ENOCH
发明人
分类号
B42D3/00;B42D3/02
主分类号
B42D3/00
代理机构
代理人
主权项
地址
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