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发明名称
Rail lubricator
摘要
申请公布号
US2229111(A)
申请公布日期
1941.01.21
申请号
US19370120170
申请日期
1937.01.12
申请人
MENNIE ROBERT S
发明人
MENNIE ROBERT S.
分类号
B61K3/00
主分类号
B61K3/00
代理机构
代理人
主权项
地址
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