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发明名称
Letter opener
摘要
申请公布号
US5001833(A)
申请公布日期
1991.03.26
申请号
US19890376636
申请日期
1989.07.06
申请人
HAAGE, DIETER
发明人
HAAGE, DIETER
分类号
B26D1/38;B43M7/00
主分类号
B26D1/38
代理机构
代理人
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地址
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