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发明名称
Nouveau dispositif d'aspiration activant le tirage des cheminées d'évacuation de fumée ou de ventilation quelle que soit la direction du vent
摘要
申请公布号
FR716368(A)
申请公布日期
1931.12.19
申请号
FRD716368
申请日期
1931.04.30
申请人
发明人
BOITEUX FRANCOIS
分类号
F23L17/02
主分类号
F23L17/02
代理机构
代理人
主权项
地址
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