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发明名称
Improvements in stop valves
摘要
申请公布号
GB343375(A)
申请公布日期
1931.02.19
申请号
GB19300011103
申请日期
1930.04.08
申请人
COCKBURNS LIMITED;DONALD MACNICOLL
发明人
分类号
F16K3/08
主分类号
F16K3/08
代理机构
代理人
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