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发明名称
Draft appliance for locomotives
摘要
申请公布号
US1853893(A)
申请公布日期
1932.04.12
申请号
US19290348750
申请日期
1929.03.21
申请人
BRUCE ALFRED W
发明人
BRUCE ALFRED W.
分类号
F23L17/16
主分类号
F23L17/16
代理机构
代理人
主权项
地址
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