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发明名称
AIR BRAKE FEED VALVE
摘要
申请公布号
CA493387(A)
申请公布日期
1953.06.02
申请号
CAD493387
申请日期
申请人
THE NEW YORK AIR BRAKE COMPANY
发明人
ERWIN C. VROMAN
分类号
主分类号
代理机构
代理人
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