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发明名称
Filing machine
摘要
申请公布号
US2350779(A)
申请公布日期
1944.06.06
申请号
US19420441192
申请日期
1942.04.30
申请人
ALEXANDER LAPKOFF
发明人
LAPKOFF ALEXANDER
分类号
B23D67/00
主分类号
B23D67/00
代理机构
代理人
主权项
地址
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