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发明名称
Air heater
摘要
申请公布号
US2606992(A)
申请公布日期
1952.08.12
申请号
US19500152031
申请日期
1950.03.27
申请人
MACDONALD HARRY F
发明人
MACDONALD HARRY F.
分类号
F24H3/00
主分类号
F24H3/00
代理机构
代理人
主权项
地址
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