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发明名称
Improvements in and relating to copy holders
摘要
申请公布号
GB589589(A)
申请公布日期
1947.06.24
申请号
GB19450007621
申请日期
1945.03.26
申请人
GEORGE EDWARD WRIGHT
发明人
分类号
B41J29/15
主分类号
B41J29/15
代理机构
代理人
主权项
地址
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