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经营范围
发明名称
Improvements in relief valves
摘要
申请公布号
GB675957(A)
申请公布日期
1952.07.16
申请号
GB19490000944
申请日期
1949.01.13
申请人
BABCOCK & WILCOX LIMITED
发明人
分类号
F16K17/04
主分类号
F16K17/04
代理机构
代理人
主权项
地址
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