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发明名称
Horn device
摘要
申请公布号
US2263342(A)
申请公布日期
1941.11.18
申请号
US19400363724
申请日期
1940.10.31
申请人
THE WESTINGHOUSE AIR BRAKE COMPANY
发明人
LEWIS NORMAN F.
分类号
G10K9/04;G10K9/08
主分类号
G10K9/04
代理机构
代理人
主权项
地址
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