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发明名称
HEAT EXTRACTION OR RECLAMATION APPARATUS FOR REFRIGERATING AND AIR CONDITIONING SYSTEMS
摘要
申请公布号
PT67196(A)
申请公布日期
1977.11.01
申请号
PT19770067196
申请日期
1977.10.27
申请人
SUN ECON INC
发明人
分类号
F25B6/04;F25B29/00;F25B40/04
主分类号
F25B6/04
代理机构
代理人
主权项
地址
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