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经营范围
发明名称
Lubricating means for axle bearings of railway vehicles
摘要
申请公布号
GB469989(A)
申请公布日期
1937.08.06
申请号
GB19370006598
申请日期
1937.03.05
申请人
GUSTAV NEMETZ
发明人
分类号
B61F17/20
主分类号
B61F17/20
代理机构
代理人
主权项
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