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发明名称
Improvements in or relating to quill shaft structures for electric railway vehicles
摘要
申请公布号
GB528139(A)
申请公布日期
1940.10.23
申请号
GB19390012716
申请日期
1939.04.28
申请人
WESTINGHOUSE ELECTRIC INTERNATIONAL COMPANY
发明人
分类号
B61C9/44
主分类号
B61C9/44
代理机构
代理人
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