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发明名称
Dispositif éjecteur-obturateur étanche pour extincteur d'incendie
摘要
申请公布号
FR970221(A)
申请公布日期
1951.01.02
申请号
FRD970221
申请日期
1948.05.26
申请人
发明人
BEAUMONT GEORGES
分类号
A62C13/00
主分类号
A62C13/00
代理机构
代理人
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