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发明名称
Praktische methods om briefomslag te openen.
摘要
申请公布号
BE598902(A2)
申请公布日期
1961.05.02
申请号
BE19610598902
申请日期
1961.01.09
申请人
NANDOR PAL HATTAS
发明人
NANDOR PAL HATTAS
分类号
(IPC1-7):B31B
主分类号
(IPC1-7):B31B
代理机构
代理人
主权项
地址
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