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发明名称
Heat pump
摘要
申请公布号
US2135285(A)
申请公布日期
1938.11.01
申请号
US19380185165
申请日期
1938.01.15
申请人
GENERAL ELECTRIC COMPANY
发明人
GIBSON HAL
分类号
F24F3/00
主分类号
F24F3/00
代理机构
代理人
主权项
地址
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