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发明名称
Dispositifs électriques dans des enveloppes hermétiques
摘要
申请公布号
FR947192(A)
申请公布日期
1949.06.24
申请号
FRD947192
申请日期
1947.05.23
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
分类号
H01J21/08
主分类号
H01J21/08
代理机构
代理人
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