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发明名称
Interchangeable typewriter carton
摘要
申请公布号
US2370749(A)
申请公布日期
1945.03.06
申请号
US19430474317
申请日期
1943.02.01
申请人
FRANK PERKINS LEON
发明人
PERKINS LEON FRANK
分类号
B65D5/50;B65D85/68
主分类号
B65D5/50
代理机构
代理人
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地址
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