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发明名称
Perfectionnement aux analyseurs à électrons lents
摘要
申请公布号
FR992282(A)
申请公布日期
1951.10.16
申请号
FRD992282
申请日期
1944.06.08
申请人
COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ
发明人
分类号
H01J31/34;H04N5/228
主分类号
H01J31/34
代理机构
代理人
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地址
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