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发明名称
Appareil d'enregistrement et de mesure précise des durées des signaux
摘要
申请公布号
FR1090936(A)
申请公布日期
1955.04.05
申请号
FRD1090936
申请日期
1952.10.16
申请人
发明人
LUCAS PIERRE;RUN JEAN LE
分类号
H04M3/24
主分类号
H04M3/24
代理机构
代理人
主权项
地址
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