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发明名称
Oil-sealing ring for turbine bearings
摘要
申请公布号
US1749586(A)
申请公布日期
1930.03.04
申请号
US19240702545
申请日期
1924.03.28
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
JOHNSON JOSIAH F.
分类号
F16J15/40
主分类号
F16J15/40
代理机构
代理人
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地址
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