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经营范围
发明名称
Formsteifer, doppelwandiger Rohrboden fuer Waermeaustauscher
摘要
申请公布号
DE728656(C)
申请公布日期
1942.12.01
申请号
DE1940I066498D
申请日期
1940.02.17
申请人
I.G. FARBENINDUSTRIE AG.
发明人
SCHWANINGER FRANZ
分类号
F28F9/02
主分类号
F28F9/02
代理机构
代理人
主权项
地址
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