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发明名称
DISCHARGE VALVE APPARATUS
摘要
申请公布号
EP0977924(A1)
申请公布日期
2000.02.09
申请号
EP19980917420
申请日期
1998.04.21
申请人
DERWENT MAC DEE LIMITED
发明人
FROST, DOUGLAS, ROBERT, DAVID
分类号
E03D1/14;(IPC1-7):E03D1/14
主分类号
E03D1/14
代理机构
代理人
主权项
地址
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