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发明名称
Improvements in or relating to loose leaf binders
摘要
申请公布号
GB865211(A)
申请公布日期
1961.04.12
申请号
GB19570002591
申请日期
1957.01.24
申请人
T. J. & J. SMITH LIMITED
发明人
DUDLEY-SMITH EDWARD DUDLEY
分类号
B42F13/16
主分类号
B42F13/16
代理机构
代理人
主权项
地址
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