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发明名称
Filing equipment
摘要
申请公布号
US2323448(A)
申请公布日期
1943.07.06
申请号
US19400366448
申请日期
1940.11.20
申请人
ACCO PRODUCTS, INC.
发明人
ZWICKEL ELMER L.
分类号
B42F15/06
主分类号
B42F15/06
代理机构
代理人
主权项
地址
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