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发明名称
éléments pour appareils de chauffage
摘要
申请公布号
FR717815(A)
申请公布日期
1932.01.14
申请号
FRD717815
申请日期
1931.05.27
申请人
JOLEIKA-HEIZKORPER ELL-KERSTING & EVERKEN
发明人
分类号
F28D1/053
主分类号
F28D1/053
代理机构
代理人
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