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发明名称
Shaft seal
摘要
申请公布号
GB973153(A)
申请公布日期
1964.10.21
申请号
GB19610008102
申请日期
1961.03.06
申请人
UNITED STATES STEEL CORPORATION
发明人
MARSHALL WILLIAM ALBERT
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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