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发明名称
Improvements in or relating to friction units for bolster spring arrangements in railway trucks
摘要
申请公布号
GB486650(A)
申请公布日期
1938.06.08
申请号
GB19370031902
申请日期
1937.11.19
申请人
THE SYMINGTON-GOULD CORPORATION
发明人
分类号
B61F5/12
主分类号
B61F5/12
代理机构
代理人
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