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发明名称
Dispositif pour protéger contre les allumages en retour les tubes de décharge à vapeur métallique, notamment les redresseurs de courant à vapeur de mercure
摘要
申请公布号
FR676061(A)
申请公布日期
1930.02.18
申请号
FRD676061
申请日期
1929.06.01
申请人
ATELIERS DE CONSTRUCTION OERLIKON
发明人
分类号
H01J13/20
主分类号
H01J13/20
代理机构
代理人
主权项
地址
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