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经营范围
发明名称
Improvements in or relating to plate air heaters and like heat exchangers
摘要
申请公布号
GB372961(A)
申请公布日期
1932.05.19
申请号
GB19310015427
申请日期
1931.05.26
申请人
JOHN EARLE WATSON;VARNUM SMITH LEWIS
发明人
分类号
F28D9/00
主分类号
F28D9/00
代理机构
代理人
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