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经营范围
发明名称
IMPROVEMENTS IN OR RELATING TO A DOCUMENT HOLDER
摘要
申请公布号
GB1273852(A)
申请公布日期
1972.05.10
申请号
GB19700005194
申请日期
1970.02.03
申请人
F. J. DAVIS (MOTOR ACCESSORIES) LIMITED
发明人
PETER JAMES DAVIS
分类号
G09B29/00;G09F3/20
主分类号
G09B29/00
代理机构
代理人
主权项
地址
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