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发明名称
Perfectionnements aux dispositifs à décharge par arc
摘要
申请公布号
FR1026765(A)
申请公布日期
1953.05.04
申请号
FRD1026765
申请日期
1950.07.07
申请人
THE WESTERN UNION TELEGRAPH COMPANY
发明人
分类号
H05B31/00
主分类号
H05B31/00
代理机构
代理人
主权项
地址
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