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发明名称
Check valves
摘要
申请公布号
GB923213(A)
申请公布日期
1963.04.10
申请号
GB19610033105
申请日期
1961.09.15
申请人
OTIS ENGINEERING CORPORATION
发明人
CUMMINGS LESLIE LAFAYETTE
分类号
F16K15/14
主分类号
F16K15/14
代理机构
代理人
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地址
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