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发明名称
Improvements in or relating to rotary shaft seals and pumps provided with such seals
摘要
申请公布号
GB854526(A)
申请公布日期
1960.11.23
申请号
GB19570007122
申请日期
1957.03.04
申请人
HARRY E. LA BOUR
发明人
分类号
F04D29/12;F16J15/34
主分类号
F04D29/12
代理机构
代理人
主权项
地址
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