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发明名称
AERATION DEVICE
摘要
申请公布号
GB8619764(D0)
申请公布日期
1986.09.24
申请号
GB19860019764
申请日期
1986.08.14
申请人
CAMPBELL, K C
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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