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经营范围
发明名称
Index holding frame and index tabs therefor
摘要
申请公布号
GB350696(A)
申请公布日期
1931.06.18
申请号
GB19300015758
申请日期
1930.05.22
申请人
ACME CARD SYSTEM CO.
发明人
分类号
B42F17/00
主分类号
B42F17/00
代理机构
代理人
主权项
地址
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