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经营范围
发明名称
GATE VALVE
摘要
申请公布号
US3589670(A)
申请公布日期
1971.06.29
申请号
USD3589670
申请日期
1969.12.15
申请人
GEORGE W. ARMSTRONG
发明人
GEORGE W. ARMSTRONG
分类号
B65D90/58;(IPC1-7):F16K31/00;F16K1/16
主分类号
B65D90/58
代理机构
代理人
主权项
地址
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