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发明名称
Safety valve
摘要
申请公布号
US2322139(A)
申请公布日期
1943.06.15
申请号
US19420431375
申请日期
1942.02.18
申请人
FREDERICK C. KINGSTON
发明人
KAELIN EDWARD S.
分类号
F16K1/42
主分类号
F16K1/42
代理机构
代理人
主权项
地址
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