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发明名称
Railway journal lubricator pump
摘要
申请公布号
US2331835(A)
申请公布日期
1943.10.12
申请号
US19420445299
申请日期
1942.06.01
申请人
HENNESSY JAMES J
发明人
HENNESSY JAMES J.
分类号
B61F17/24
主分类号
B61F17/24
代理机构
代理人
主权项
地址
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