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发明名称
Car retarder
摘要
申请公布号
US1852572(A)
申请公布日期
1932.04.05
申请号
US19280244259
申请日期
1928.01.03
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
HOWE WINTHROP K.
分类号
B61K7/04
主分类号
B61K7/04
代理机构
代理人
主权项
地址
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