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发明名称
Improvements in racks for tickets
摘要
申请公布号
GB649491(A)
申请公布日期
1951.01.24
申请号
GB19480025453
申请日期
1948.09.30
申请人
THOMAS LEONARD GRIFFITHS;SYDNEY BENSON MARTIN
发明人
分类号
G07B3/02
主分类号
G07B3/02
代理机构
代理人
主权项
地址
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