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发明名称
Vacuum release valves
摘要
申请公布号
US2793830(A)
申请公布日期
1957.05.28
申请号
US19520306271
申请日期
1952.08.25
申请人
CENTRAL SCIENTIFIC COMPANY
发明人
NAKAJI EDWARD M.;SULLIVAN HARRIS M.
分类号
F16K24/06
主分类号
F16K24/06
代理机构
代理人
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地址
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