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发明名称
Improvements in and relating to books and the like
摘要
申请公布号
GB485994(A)
申请公布日期
1938.05.27
申请号
GB19370033038
申请日期
1937.11.30
申请人
ERNEST ALBERT CRADDOCK
发明人
分类号
B42D1/00
主分类号
B42D1/00
代理机构
代理人
主权项
地址
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