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经营范围
发明名称
Ball valve casing
摘要
申请公布号
US2855177(A)
申请公布日期
1958.10.07
申请号
US19560586266
申请日期
1956.05.21
申请人
JAMESBURY CORP.
发明人
FREEMAN HOWARD G.
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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