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发明名称
Valve
摘要
申请公布号
US2509958(A)
申请公布日期
1950.05.30
申请号
US19440541225
申请日期
1944.06.20
申请人
LEWIS BURN
发明人
BURN LEWIS
分类号
F04C14/26
主分类号
F04C14/26
代理机构
代理人
主权项
地址
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