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发明名称
Paper trimmer
摘要
申请公布号
US2253099(A)
申请公布日期
1941.08.19
申请号
US19400336255
申请日期
1940.05.20
申请人
SHAFFER EDWARD L
发明人
SHAFFER EDWARD L.
分类号
B44C7/02
主分类号
B44C7/02
代理机构
代理人
主权项
地址
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