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经营范围
发明名称
Chauffe-bain économique
摘要
申请公布号
FR731976(A)
申请公布日期
1932.09.10
申请号
FRD731976
申请日期
1931.08.07
申请人
发明人
PIACENTILE JULES VINCENT
分类号
F24H1/00
主分类号
F24H1/00
代理机构
代理人
主权项
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