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发明名称
Oiling device for wedges and jaws for journal boxes
摘要
申请公布号
US1832451(A)
申请公布日期
1931.11.17
申请号
US19270182504
申请日期
1927.04.09
申请人
ELLIOT JOHN W T
发明人
ELLIOT JOHN W. T.
分类号
B61F17/34
主分类号
B61F17/34
代理机构
代理人
主权项
地址
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