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经营范围
发明名称
Improvements in bearing seals
摘要
申请公布号
GB545934(A)
申请公布日期
1942.06.18
申请号
GB19410014622
申请日期
1941.11.13
申请人
THE HOFFMANN MANUFACTURING COMPANY LIMITED
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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