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发明名称
Appareil de mesure indicateur ou enregistreur pour des opérations techniques à fonctionnement périodique
摘要
申请公布号
FR841057(A)
申请公布日期
1939.05.10
申请号
FRD841057
申请日期
1938.07.23
申请人
FIDES
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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