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发明名称
Instrument de contrôle pour tubes ou lampes électroniques permettant la mesure, pendant le fonctionnement des lampes, de l'intensité des courants qui y circulent
摘要
申请公布号
FR895288(A)
申请公布日期
1945.01.19
申请号
FRD895288
申请日期
1943.06.08
申请人
OPTA RADIO AKTIENGESELLSCHAFT
发明人
BURCKHARDT HEINZ
分类号
G01R31/44
主分类号
G01R31/44
代理机构
代理人
主权项
地址
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