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发明名称
Improvements in or relating to Suspended Filing Systems.
摘要
申请公布号
GB1197781(A)
申请公布日期
1970.07.08
申请号
GB19670013183
申请日期
1967.03.21
申请人
EXPANDEX LIMITED
发明人
THOMAS ROWLAND HILL
分类号
B42F15/00
主分类号
B42F15/00
代理机构
代理人
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地址
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