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发明名称
Improvements in or relating to steam isolating valves
摘要
申请公布号
GB519678(A)
申请公布日期
1940.04.03
申请号
GB19380027589
申请日期
1938.09.22
申请人
JACKSON AND BROTHER LIMITED;RALPH HAMMOND;JAMES RICHARD FISH
发明人
分类号
F16K3/10
主分类号
F16K3/10
代理机构
代理人
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地址
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