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经营范围
发明名称
Roehrenwaermeaustauscher
摘要
申请公布号
DE838309(C)
申请公布日期
1952.05.08
申请号
DE1949R000583
申请日期
1949.12.17
申请人
HEINRICH ROTHGAENGER;WILLI KEIL
发明人
ROTHGAENGER HEINRICH;KEIL WILLI
分类号
F28F13/00
主分类号
F28F13/00
代理机构
代理人
主权项
地址
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