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发明名称
Geothermal heat pump system
摘要
申请公布号
AU7720398(A)
申请公布日期
1999.12.13
申请号
AU19980077203
申请日期
1998.05.28
申请人
ENVIROTHERM HEATING & COOLING SYSTEMS, INC.
发明人
JOHN GENUNG;FRANK K. CARPENTER
分类号
F25B39/04;F25B43/02
主分类号
F25B39/04
代理机构
代理人
主权项
地址
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