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发明名称
Nouveau procédé d'établissement de joint scellé pour tubes à vide
摘要
申请公布号
FR874789(A)
申请公布日期
1942.08.26
申请号
FRD874789
申请日期
1941.04.18
申请人
SOCIETE FRANCAISE RADIO-ELECTRIQUE
发明人
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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