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发明名称
Procédé pour le chauffage et le refroidissement des locaux, dont le plancher est constitué à l'aide de poutres creuses en béton armé
摘要
申请公布号
FR916483(A)
申请公布日期
1946.12.06
申请号
FRD916483
申请日期
1945.10.26
申请人
发明人
SPEITEL CAMILLE
分类号
F24D5/10
主分类号
F24D5/10
代理机构
代理人
主权项
地址
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