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发明名称
Perfectionnements dans l'application du chauffage central aux plafonds en béton armé
摘要
申请公布号
FR899109(A)
申请公布日期
1945.05.22
申请号
FRD899109
申请日期
1943.10.26
申请人
发明人
MARTIGNON MAURICE
分类号
F24D3/14
主分类号
F24D3/14
代理机构
代理人
主权项
地址
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