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经营范围
发明名称
Automatically acting relief valve
摘要
申请公布号
US2243711(A)
申请公布日期
1941.05.27
申请号
US19390260323
申请日期
1939.03.07
申请人
JOHN LAMB
发明人
LAMB JOHN
分类号
F16K17/02
主分类号
F16K17/02
代理机构
代理人
主权项
地址
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