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发明名称
Perfectionnements aux scellements métal-verre destinés particulièrement aux tubes à vide
摘要
申请公布号
FR939260(A)
申请公布日期
1948.11.09
申请号
FRD939260
申请日期
1946.08.28
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
FOULKES CHRISTOPHER HENRY
分类号
H01J5/26
主分类号
H01J5/26
代理机构
代理人
主权项
地址
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