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发明名称
Perfectionnements apportés aux procédés et aux dispositifs pour sauver les occupants et le matériel des bâtiments sombrés
摘要
申请公布号
FR690240(A)
申请公布日期
1930.09.17
申请号
FRD690240
申请日期
1929.05.02
申请人
发明人
KLOPOTOWSKI LUCIEN
分类号
B63G8/41
主分类号
B63G8/41
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代理人
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