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发明名称
Hydraulically-controlled valve
摘要
申请公布号
US1947742(A)
申请公布日期
1934.02.20
申请号
US19310569653
申请日期
1931.10.19
申请人
C-S ENGINEERING COMPANY
发明人
SCHELLENS EUGENE L.
分类号
F16K31/143
主分类号
F16K31/143
代理机构
代理人
主权项
地址
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