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发明名称
Signal horn
摘要
申请公布号
US1805627(A)
申请公布日期
1931.05.19
申请号
US19300426077
申请日期
1930.02.05
申请人
THE WESTINGHOUSE AIR BRAKE COMPANY
发明人
KELLEY CECIL S.
分类号
G10K9/04
主分类号
G10K9/04
代理机构
代理人
主权项
地址
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