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发明名称
Improvements in and relating to air heaters
摘要
申请公布号
GB365445(A)
申请公布日期
1932.01.21
申请号
GB19310012766
申请日期
1931.04.30
申请人
OSWALD ELSWORTH
发明人
分类号
F26B21/00
主分类号
F26B21/00
代理机构
代理人
主权项
地址
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