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经营范围
发明名称
Relief valve
摘要
申请公布号
US2540583(A)
申请公布日期
1951.02.06
申请号
US19440525848
申请日期
1944.03.10
申请人
NATIONAL ALUMINUM MANUFACTURING CO.
发明人
IVES CLIFFORD E.
分类号
A47J27/09;A47J27/092
主分类号
A47J27/09
代理机构
代理人
主权项
地址
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