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发明名称
Railway car hand brake
摘要
申请公布号
US1911056(A)
申请公布日期
1933.05.23
申请号
US19290349817
申请日期
1929.03.25
申请人
BURNETT RICHARD W
发明人
BURNETT RICHARD W.
分类号
B61H13/04
主分类号
B61H13/04
代理机构
代理人
主权项
地址
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