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发明名称
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摘要
申请公布号
US3212949(A)
申请公布日期
1965.10.19
申请号
US19610115649
申请日期
1961.06.08
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
THOMPSON THEODORE B.
分类号
G09F3/00;G09F7/16
主分类号
G09F3/00
代理机构
代理人
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