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经营范围
发明名称
Protection ionique des isolateurs de filtres électrostatiques
摘要
申请公布号
FR923168(A)
申请公布日期
1947.06.30
申请号
FRD923168
申请日期
1946.01.21
申请人
COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ
发明人
分类号
B03C3/70
主分类号
B03C3/70
代理机构
代理人
主权项
地址
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