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发明名称
Multiple weighted relief valve
摘要
申请公布号
US2692613(A)
申请公布日期
1954.10.26
申请号
US19490101659
申请日期
1949.06.27
申请人
AMERICAN MACHINE AND METALS, INC.
发明人
WAITE RALPH D.
分类号
A47J27/09;F16K17/12
主分类号
A47J27/09
代理机构
代理人
主权项
地址
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