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发明名称
Apparatus for perforating paper and other sheet materials
摘要
申请公布号
US2707744(A)
申请公布日期
1955.05.03
申请号
US19530372551
申请日期
1953.08.05
申请人
WESLEY MEAKER JOHN
发明人
MEAKER JOHN WESLEY
分类号
B26F1/28
主分类号
B26F1/28
代理机构
代理人
主权项
地址
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