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发明名称
Contents indicator for binder covers
摘要
申请公布号
US2852275(A)
申请公布日期
1958.09.16
申请号
US19560580525
申请日期
1956.04.25
申请人
WIRE-O CORPORATION
发明人
BROOK ARTHUR F.
分类号
B42F13/00
主分类号
B42F13/00
代理机构
代理人
主权项
地址
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