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发明名称
Perfectionnements aux circuits comportant des tubes à décharge
摘要
申请公布号
FR779722(A)
申请公布日期
1935.04.11
申请号
FRD779722
申请日期
1934.09.18
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
B23K11/24
主分类号
B23K11/24
代理机构
代理人
主权项
地址
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