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发明名称
Perfectionnements aux enregistreurs oscillographiques
摘要
申请公布号
FR763033(A)
申请公布日期
1934.04.23
申请号
FRD763033
申请日期
1933.01.11
申请人
LA RECHERCHE INDUSTRIELLE FRANCAISE (R. I. F.) SOCIETE D'ETUDES POUR L'EXPLOITATION DES BREVETS NUBLAT, SOCIETE ANONYME
发明人
BONNEAU PAUL
分类号
G11B11/00
主分类号
G11B11/00
代理机构
代理人
主权项
地址
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