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发明名称
Journal box lubrication
摘要
申请公布号
US2919964(A)
申请公布日期
1960.01.05
申请号
US19560630369
申请日期
1956.12.24
申请人
EVANS LEONARD T
发明人
EVANS LEONARD T.
分类号
B61F17/08
主分类号
B61F17/08
代理机构
代理人
主权项
地址
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