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经营范围
发明名称
Regenerative air heater
摘要
申请公布号
GB728590(A)
申请公布日期
1955.04.20
申请号
GB19510024323
申请日期
1951.10.18
申请人
KURT FREY
发明人
分类号
C21B9/00;F28D17/02
主分类号
C21B9/00
代理机构
代理人
主权项
地址
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