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经营范围
发明名称
Improvements in or relating to dust-excluding means for bearings
摘要
申请公布号
GB513506(A)
申请公布日期
1939.10.13
申请号
GB19380011226
申请日期
1938.04.12
申请人
TAGE GEORG NYBORG;THE MINING ENGINEERING COMPANY LIMITED
发明人
分类号
F16C33/78
主分类号
F16C33/78
代理机构
代理人
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