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发明名称
Improvements in and relating to valved tubular couplings
摘要
申请公布号
GB526819(A)
申请公布日期
1940.09.26
申请号
GB19390008470
申请日期
1939.03.16
申请人
ARCHIBALD GOODMAN FRAZER-NASH
发明人
分类号
F16K15/20
主分类号
F16K15/20
代理机构
代理人
主权项
地址
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