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发明名称
Pressure reducing valve
摘要
申请公布号
US1951095(A)
申请公布日期
1934.03.13
申请号
US19310571887
申请日期
1931.10.29
申请人
LAWLER AUTOMATIC CONTROLS, INC.
发明人
LAWLER JAMES J.
分类号
G05D23/12
主分类号
G05D23/12
代理机构
代理人
主权项
地址
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