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发明名称
Valve
摘要
申请公布号
US3049721(A)
申请公布日期
1962.08.21
申请号
US19610119974
申请日期
1961.06.27
申请人
VIRGIL TAYLOR
发明人
TAYLOR VIRGIL
分类号
E03D1/14
主分类号
E03D1/14
代理机构
代理人
主权项
地址
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