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发明名称
Improvements relating to mechanical seals for rotary shafts
摘要
申请公布号
GB643545(A)
申请公布日期
1950.09.20
申请号
GB19480005194
申请日期
1948.02.21
申请人
FLEXIBOX LIMITED
发明人
PORGES FREDERICK BENJAMIN
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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