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发明名称
AERATION DEVICE AND METHOD OF ASSISTING DISCHARGE OF MATERIAL FROM CONTAINERS
摘要
申请公布号
CA1015007(A)
申请公布日期
1977.08.02
申请号
CA19750232773
申请日期
1975.08.01
申请人
BUTLER MANUFACTURING COMPANY
发明人
SOLIMAR, KEITH F.
分类号
主分类号
代理机构
代理人
主权项
地址
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