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发明名称
Voltmètre amplificateur à échelle logarithmique
摘要
申请公布号
FR1004779(A)
申请公布日期
1952.04.02
申请号
FRD1004779
申请日期
1947.05.13
申请人
COMPAGNIE INDUSTRIELLE DES TELEPHONES
发明人
SELZ JACQUES;LEUDEVILLE ALEXANDRE DE
分类号
G01R15/00
主分类号
G01R15/00
代理机构
代理人
主权项
地址
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