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发明名称
ENVELOPE AND PACKAGE OPENER
摘要
申请公布号
GB9307452(D0)
申请公布日期
1993.06.02
申请号
GB19930007452
申请日期
1993.04.08
申请人
COTHAM MICHAEL C.
发明人
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主分类号
代理机构
代理人
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