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经营范围
发明名称
Réchauffeur d'eau à très haute température
摘要
申请公布号
FR60689(E)
申请公布日期
1954.11.22
申请号
FRD60689
申请日期
1950.07.22
申请人
发明人
FRAYRET RENE-JEAN-MARIUS-AND
分类号
F22D1/00
主分类号
F22D1/00
代理机构
代理人
主权项
地址
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