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经营范围
发明名称
Air conditioning machine
摘要
申请公布号
US2111750(A)
申请公布日期
1938.03.22
申请号
US19370125636
申请日期
1937.02.13
申请人
CARLSON JOHN F
发明人
CARLSON JOHN F.
分类号
F24F1/02
主分类号
F24F1/02
代理机构
代理人
主权项
地址
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