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发明名称
Improvements in electric railway trucks
摘要
申请公布号
GB354407(A)
申请公布日期
1931.08.13
申请号
GB19300014777
申请日期
1930.05.13
申请人
CARL KIRCHNER
发明人
分类号
B61C9/50
主分类号
B61C9/50
代理机构
代理人
主权项
地址
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