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发明名称
Feed-water heater
摘要
申请公布号
US2308721(A)
申请公布日期
1943.01.19
申请号
US19410394263
申请日期
1941.05.20
申请人
WORTHINGTON PUMP AND MACHINERY CORPORATION
发明人
SEBALD JOSEPH F.
分类号
F22D1/30
主分类号
F22D1/30
代理机构
代理人
主权项
地址
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