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发明名称
Dispositif électrique destiné à produire l'échauffement continu de l'eau dans les radiateurs
摘要
申请公布号
FR991956(A)
申请公布日期
1951.10.12
申请号
FRD991956
申请日期
1949.08.05
申请人
发明人
BELVAUX ROBERT
分类号
F24H3/00
主分类号
F24H3/00
代理机构
代理人
主权项
地址
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