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发明名称
Ball valve
摘要
申请公布号
US3014690(A)
申请公布日期
1961.12.26
申请号
US19600058354
申请日期
1960.09.26
申请人
GRINNELL CORPORATION
发明人
BOTELER HENRY W.
分类号
F16K5/06;F16K5/20
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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