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发明名称
Dispositif servant à augmenter le rendement en calories de chaudières et fourneauxde chauffage central
摘要
申请公布号
FR696014(A)
申请公布日期
1930.12.24
申请号
FRD696014
申请日期
1930.05.23
申请人
发明人
LEMAIGRE EDOUARD
分类号
F24D17/00
主分类号
F24D17/00
代理机构
代理人
主权项
地址
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