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发明名称
Dispositif pour l'observation ou l'enregistrement oscillographique de déplacements quelconques
摘要
申请公布号
FR733439(A)
申请公布日期
1932.10.05
申请号
FRD733439
申请日期
1931.06.08
申请人
发明人
BLONDEL ANDRE
分类号
G01D15/14
主分类号
G01D15/14
代理机构
代理人
主权项
地址
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