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发明名称
Lubricator valve
摘要
申请公布号
US1963663(A)
申请公布日期
1934.06.19
申请号
US19300484333
申请日期
1930.09.25
申请人
THE FARVAL CORPORATION
发明人
KERNS LEONARD R.
分类号
F16N27/00
主分类号
F16N27/00
代理机构
代理人
主权项
地址
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