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经营范围
发明名称
Dispositif pour le chauffage de liquides
摘要
申请公布号
FR981040(A)
申请公布日期
1951.05.21
申请号
FRD981040
申请日期
1949.02.17
申请人
发明人
HERFRAY JOSEPH
分类号
F24H1/14
主分类号
F24H1/14
代理机构
代理人
主权项
地址
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