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发明名称
DEVICE FOR UNDERWATER SEALING PORTS OR SIMILAR, NOTABLY THE BOTTOM TRAPS FROM HOPPER BARGES
摘要
申请公布号
EP0114247(B1)
申请公布日期
1986.10.15
申请号
EP19830111870
申请日期
1983.11.26
申请人
"DREDGING INTERNATIONAL"
发明人
VAN HOVE, EMILE
分类号
E06B7/22;B63B25/04;B63B35/30;F16J15/46;(IPC1-7):B63B19/26;B65D90/58
主分类号
E06B7/22
代理机构
代理人
主权项
地址
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