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发明名称
Paper punch
摘要
申请公布号
US3385152(A)
申请公布日期
1968.05.28
申请号
US19660558888
申请日期
1966.06.20
申请人
BROWN
发明人
BROWN JOHN R.;YATES HARLAN W.
分类号
B26F1/36
主分类号
B26F1/36
代理机构
代理人
主权项
地址
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