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发明名称
Shaft seal
摘要
申请公布号
US2580529(A)
申请公布日期
1952.01.01
申请号
US19490109759
申请日期
1949.08.11
申请人
READ STANDARD CORPORATION
发明人
DIETZ NORMAN E.
分类号
F16J15/40
主分类号
F16J15/40
代理机构
代理人
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