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发明名称
Lubricator with secondary air circuit
摘要
申请公布号
US2564309(A)
申请公布日期
1951.08.14
申请号
US19490120853
申请日期
1949.10.12
申请人
C. A. NORGREN CO.
发明人
NORGREN CARL A.
分类号
F16N7/34
主分类号
F16N7/34
代理机构
代理人
主权项
地址
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