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发明名称
High-pressure steam preheater roll
摘要
申请公布号
US2374745(A)
申请公布日期
1945.05.01
申请号
US19440524964
申请日期
1944.03.03
申请人
HENRY PRATT COMPANY
发明人
GRIMM CARL W.
分类号
B31F1/36
主分类号
B31F1/36
代理机构
代理人
主权项
地址
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