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发明名称
Improvements in sealing devices for rotating shafts
摘要
申请公布号
GB567781(A)
申请公布日期
1945.03.02
申请号
GB19430005496
申请日期
1943.04.06
申请人
ROBERT STEVENSON
发明人
分类号
F16C33/78
主分类号
F16C33/78
代理机构
代理人
主权项
地址
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