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经营范围
发明名称
Improvements in or relating to central cooling systems for buildings
摘要
申请公布号
GB493448(A)
申请公布日期
1938.10.06
申请号
GB19370009774
申请日期
1937.04.06
申请人
PER EMIL PERMAN
发明人
分类号
F24F5/00
主分类号
F24F5/00
代理机构
代理人
主权项
地址
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