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发明名称
Ball valve and method of making same
摘要
申请公布号
US3394916(A)
申请公布日期
1968.07.30
申请号
US19660552005
申请日期
1966.05.23
申请人
HILLS-MCCANNA COMPANY
发明人
BIRR ELMER L.
分类号
B29C45/26;F16K5/06;F16K5/08;F16K5/20;F16K27/06
主分类号
B29C45/26
代理机构
代理人
主权项
地址
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