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发明名称
Control valve
摘要
申请公布号
US2608824(A)
申请公布日期
1952.09.02
申请号
US19470770882
申请日期
1947.08.27
申请人
THE NEW YORK AIR BRAKE COMPANY
发明人
KIRKHAM HALL
分类号
F15B21/00
主分类号
F15B21/00
代理机构
代理人
主权项
地址
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