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经营范围
发明名称
Relief valve
摘要
申请公布号
US2406178(A)
申请公布日期
1946.08.20
申请号
US19430501018
申请日期
1943.09.02
申请人
WALLEY JR HERBERT H
发明人
JR. HERBERT H. WALLEY,
分类号
G05D16/10
主分类号
G05D16/10
代理机构
代理人
主权项
地址
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