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发明名称
Improvements in or relating to book sewing machines
摘要
申请公布号
GB645678(A)
申请公布日期
1950.11.08
申请号
GB19480030778
申请日期
1948.11.26
申请人
ANDREW ARTHUR AULD;JOHN THOMAS AULD
发明人
分类号
B42B2/02
主分类号
B42B2/02
代理机构
代理人
主权项
地址
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