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发明名称
Demountable vacuum tube
摘要
申请公布号
US2506687(A)
申请公布日期
1950.05.09
申请号
US19460688035
申请日期
1946.08.02
申请人
SOCIETE FRANCAISE RADIO ELECTRIQUE
发明人
SCHERRER VADIM
分类号
H01J5/28
主分类号
H01J5/28
代理机构
代理人
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地址
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