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经营范围
发明名称
Improvements in document and like filing devices
摘要
申请公布号
GB903089(A)
申请公布日期
1962.08.09
申请号
GB19580006261
申请日期
1958.02.26
申请人
HARRY AMSEL
发明人
分类号
A47B57/58
主分类号
A47B57/58
代理机构
代理人
主权项
地址
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