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发明名称
Improvements in and relating to axle-bearings
摘要
申请公布号
GB333605(A)
申请公布日期
1930.08.14
申请号
GB19290015067
申请日期
1929.05.14
申请人
EDWARD FRANCIS MATTHEWS
发明人
分类号
B61F17/12
主分类号
B61F17/12
代理机构
代理人
主权项
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