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经营范围
发明名称
Improvements in and relating to packings for rotating shafts
摘要
申请公布号
GB664122(A)
申请公布日期
1952.01.02
申请号
GB19490021740
申请日期
1949.08.22
申请人
ARTHUR RONALD TRIST
发明人
分类号
F16N7/30
主分类号
F16N7/30
代理机构
代理人
主权项
地址
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