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发明名称
Improvements in stop valves
摘要
申请公布号
GB655576(A)
申请公布日期
1951.07.25
申请号
GB19470034286
申请日期
1947.12.24
申请人
ADOLF ERNEST KAUFMANN
发明人
分类号
F16K7/12
主分类号
F16K7/12
代理机构
代理人
主权项
地址
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