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发明名称
Improvements in the sealing of shafts
摘要
申请公布号
GB512096(A)
申请公布日期
1939.08.29
申请号
GB19380029006
申请日期
1938.10.06
申请人
RIFAT AVIGDOR
发明人
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
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