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发明名称
VERMIN OBSTRUCTING DEVICE
摘要
申请公布号
GB8918815(D0)
申请公布日期
1989.09.27
申请号
GB19890018815
申请日期
1989.08.17
申请人
ROWELL, LEON;ALLUM, ANDREW K
发明人
分类号
主分类号
代理机构
代理人
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