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发明名称
Pump and unloading means
摘要
申请公布号
US2073710(A)
申请公布日期
1937.03.16
申请号
US19350000028
申请日期
1935.01.02
申请人
THERMAL UNITS MANUFACTURING COMPANY
发明人
RAYFIELD CHARLES L.
分类号
F04B1/20;F04B1/24;F04B49/10;F04B49/24
主分类号
F04B1/20
代理机构
代理人
主权项
地址
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