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发明名称
Air cooling device
摘要
申请公布号
US2031534(A)
申请公布日期
1936.02.18
申请号
US19310572856
申请日期
1931.11.03
申请人
HARDIN ROBERT H
发明人
HARDIN ROBERT H.
分类号
F28C1/00
主分类号
F28C1/00
代理机构
代理人
主权项
地址
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