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经营范围
发明名称
Vorrichtung zur Rueckgewinnung von Verlustwaerme bei elektrischen Maschinen, insbesondere mit Dampfturbinenantrieb
摘要
申请公布号
DE523899(C)
申请公布日期
1931.04.29
申请号
DE1924G061261D
申请日期
1924.04.24
申请人
OTTO HAPPEL
发明人
分类号
F01K27/02
主分类号
F01K27/02
代理机构
代理人
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地址
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