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发明名称
Improvements in and relating to axle bearings
摘要
申请公布号
GB331833(A)
申请公布日期
1930.07.08
申请号
GB19290010865
申请日期
1930.04.08
申请人
EDWARD FRANCIS MATTHEWS
发明人
分类号
B61F15/06;B61F17/12
主分类号
B61F15/06
代理机构
代理人
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