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经营范围
发明名称
A rotary ball valve and union having a detachable end fitting
摘要
申请公布号
GB859457(A)
申请公布日期
1961.01.25
申请号
GB19590009542
申请日期
1959.03.19
申请人
WORCESTER VALVE CO., INC.
发明人
分类号
F16K5/06
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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