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经营范围
发明名称
Shaft sealing structure
摘要
申请公布号
US2680031(A)
申请公布日期
1954.06.01
申请号
US19510209310
申请日期
1951.02.03
申请人
LEAR, INCORPORATED
发明人
BARR LE ROY H.
分类号
F16J15/38
主分类号
F16J15/38
代理机构
代理人
主权项
地址
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