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发明名称
DAMPING AND AIR-PURGING MEANS FOR RELIEF VALVE
摘要
申请公布号
US3618690(A)
申请公布日期
1971.11.09
申请号
USD3618690
申请日期
1969.05.20
申请人
CATERPILLAR TRACTOR CO.
发明人
HOWARD L. JOHNSON
分类号
F16K17/04;(IPC1-7):F16K21/10
主分类号
F16K17/04
代理机构
代理人
主权项
地址
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