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发明名称
Improvements in or relating to self-closing stop valves
摘要
申请公布号
GB486131(A)
申请公布日期
1938.05.31
申请号
GB19360035822
申请日期
1937.10.29
申请人
COCKBURNS LIMITED;MARY MACNICOLL;MARGARET MACNICOLL
发明人
分类号
F16K31/363
主分类号
F16K31/363
代理机构
代理人
主权项
地址
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