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发明名称
Aspirateur de fumées à sorties de fumées protégées et à aspirations dirigées
摘要
申请公布号
FR1040689(A)
申请公布日期
1953.10.16
申请号
FRD1040689
申请日期
1951.04.14
申请人
发明人
COVELET GASTON-EDOUARD
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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