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发明名称
Improvements in leak-stopping devices for repairing domestic and like vessels
摘要
申请公布号
GB611386(A)
申请公布日期
1948.10.28
申请号
GB19460013020
申请日期
1946.04.30
申请人
RICHARD WILLIAM CUMBERLAND
发明人
分类号
F16L55/168
主分类号
F16L55/168
代理机构
代理人
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