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经营范围
发明名称
Shaft seal
摘要
申请公布号
US3377073(A)
申请公布日期
1968.04.09
申请号
US19650450937
申请日期
1965.04.26
申请人
DRESSER INDUSTRIES, INC.
发明人
HARNEY DORAN B.
分类号
F16J15/44
主分类号
F16J15/44
代理机构
代理人
主权项
地址
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