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经营范围
发明名称
Dispositif électronique multiplicateur de fréquence.
摘要
申请公布号
CH303049(A)
申请公布日期
1954.11.15
申请号
CHD303049
申请日期
1950.11.08
申请人
STANDARD TELEPHONE ET RADIO S. A.
发明人
STANDARD TELEPHONE ET RADIO S. A.
分类号
H01J25/38
主分类号
H01J25/38
代理机构
代理人
主权项
地址
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