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经营范围
发明名称
Improvements in axle boxes for railway vehicles
摘要
申请公布号
GB723516(A)
申请公布日期
1955.02.09
申请号
GB19530020263
申请日期
1952.04.22
申请人
SOCIETE GENERALE ISOTHERMOS
发明人
分类号
B61F15/22;B61F17/10
主分类号
B61F15/22
代理机构
代理人
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