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发明名称
Improvements in or relating to aerating device
摘要
申请公布号
GB800359(A)
申请公布日期
1958.08.27
申请号
GB19560024430
申请日期
1956.08.09
申请人
WRIGHTWAY ENGINEERING CO.
发明人
GOODRIE JOSEPH J.
分类号
E03C1/084
主分类号
E03C1/084
代理机构
代理人
主权项
地址
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