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发明名称
Improvements in sealing devices for rotatable shafts
摘要
申请公布号
GB876673(A)
申请公布日期
1961.09.06
申请号
GB19570039609
申请日期
1957.12.20
申请人
FELIX ANTONIUS HUHN
发明人
分类号
F16J15/30
主分类号
F16J15/30
代理机构
代理人
主权项
地址
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