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发明名称
PERFORATED HEATING SURFACES FOR REGENERATIVE HEAT EXCHANGERS
摘要
申请公布号
CA472080(A)
申请公布日期
1951.03.13
申请号
CAD472080
申请日期
申请人
THE AIR PREHEATER CORPORATION
发明人
SVEN HOLM
分类号
主分类号
代理机构
代理人
主权项
地址
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