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发明名称
Pressure actuated trip valve
摘要
申请公布号
US2048550(A)
申请公布日期
1936.07.21
申请号
US19350013597
申请日期
1935.03.29
申请人
JOHN HELENBERG
发明人
HELENBERG JOHN
分类号
F15B13/042
主分类号
F15B13/042
代理机构
代理人
主权项
地址
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