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发明名称
Durch Luftstroemungen betaetigter Ventilations- und Schornsteinaufsatz
摘要
申请公布号
DE726957(C)
申请公布日期
1942.10.23
申请号
DE1938B184014D
申请日期
1938.07.23
申请人
ERIKA BACK
发明人
BACK ING. DR. TECHN. OSKAR;SAVONIUS ODERT ALBIN
分类号
F23L17/10
主分类号
F23L17/10
代理机构
代理人
主权项
地址
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