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发明名称
Flow control device
摘要
申请公布号
US2891578(A)
申请公布日期
1959.06.23
申请号
US19560558088
申请日期
1956.01.09
申请人
THE DOLE VALVE COMPANY
发明人
DAHL ROBERT R.;ERICKSON HOWARD L.
分类号
D05B27/18;G05D7/01
主分类号
D05B27/18
代理机构
代理人
主权项
地址
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