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发明名称
Air heater
摘要
申请公布号
US1814011(A)
申请公布日期
1931.07.14
申请号
US19250012108
申请日期
1925.02.27
申请人
DIAMOND POWER SPECIALTY CORPORATION
发明人
SNOW NORMAN L.
分类号
F28D7/00
主分类号
F28D7/00
代理机构
代理人
主权项
地址
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