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发明名称
Improvements relating to combined pressure and vacuum relief valves
摘要
申请公布号
GB783233(A)
申请公布日期
1957.09.18
申请号
GB19550033736
申请日期
1955.11.24
申请人
GENERAL ELECTRIC COMPANY
发明人
分类号
F16K24/00
主分类号
F16K24/00
代理机构
代理人
主权项
地址
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