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发明名称
Improvements in or relating to means for punching or perforating paper and other like sheet material
摘要
申请公布号
GB385114(A)
申请公布日期
1932.12.22
申请号
GB19310035663
申请日期
1931.12.24
申请人
ARTHUR RICHARDSON TIMSON
发明人
分类号
B26F1/18
主分类号
B26F1/18
代理机构
代理人
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地址
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