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发明名称
Flange and rail lubricator
摘要
申请公布号
US1977755(A)
申请公布日期
1934.10.23
申请号
US19300450720
申请日期
1930.05.08
申请人
WILLIAM H. FOSTER
发明人
DUDLEY IRA L.
分类号
B61K3/00
主分类号
B61K3/00
代理机构
代理人
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