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发明名称
Heat pump system
摘要
申请公布号
USRE31281(E)
申请公布日期
1983.06.21
申请号
US19790088174
申请日期
1979.10.25
申请人
发明人
分类号
F02G1/043;F24D11/02;F25B13/00;F25B27/00
主分类号
F02G1/043
代理机构
代理人
主权项
地址
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