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发明名称
Réchauffeur électrique d'eau courante ou autre liquide circulant
摘要
申请公布号
FR697444(A)
申请公布日期
1931.01.16
申请号
FRD697444
申请日期
1930.06.14
申请人
发明人
BERTHOLD HANS
分类号
F24H1/10
主分类号
F24H1/10
代理机构
代理人
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地址
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