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发明名称
Automatic drain valve device
摘要
申请公布号
US2232899(A)
申请公布日期
1941.02.25
申请号
US19390270524
申请日期
1939.04.28
申请人
THE WESTINGHOUSE AIR BRAKE COMPANY
发明人
AIKMAN BURTON S.
分类号
F16T1/14
主分类号
F16T1/14
代理机构
代理人
主权项
地址
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