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发明名称
Clapet double de retenue à diaphragme
摘要
申请公布号
BE611932(A1)
申请公布日期
1962.04.16
申请号
BE19610611932
申请日期
1961.12.22
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
E.E. HEWITT
分类号
(IPC1-7):F06K
主分类号
(IPC1-7):F06K
代理机构
代理人
主权项
地址
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