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发明名称
Improved attachment to duplicating apparatus for use in book-keeping
摘要
申请公布号
GB711340(A)
申请公布日期
1954.06.30
申请号
GB19530008213
申请日期
1952.07.12
申请人
HENRY HOWARD ELBOUGHAN
发明人
分类号
B41L3/00
主分类号
B41L3/00
代理机构
代理人
主权项
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