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发明名称
Swivel valve
摘要
申请公布号
US1793479(A)
申请公布日期
1931.02.24
申请号
US19290346377
申请日期
1929.03.12
申请人
DUMITRU GOLOGAN
发明人
GOLOGAN DUMITRU
分类号
F16K17/00
主分类号
F16K17/00
代理机构
代理人
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