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发明名称
Fluid operated reversing valve
摘要
申请公布号
US1809938(A)
申请公布日期
1931.06.16
申请号
US19300447255
申请日期
1930.04.25
申请人
HOHULIN WILHELM F
发明人
HOHULIN WILHELM F.
分类号
F16K11/078;F16K31/143
主分类号
F16K11/078
代理机构
代理人
主权项
地址
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