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发明名称
Sealing element for rotary mechanical seals
摘要
申请公布号
US2871039(A)
申请公布日期
1959.01.27
申请号
US19550482769
申请日期
1955.01.19
申请人
CRANE PACKING COMPANY
发明人
PAYNE FRANK E.
分类号
F16J15/36
主分类号
F16J15/36
代理机构
代理人
主权项
地址
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