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发明名称
Pièce centrale ou clef de voûte pour chauffage en tête
摘要
申请公布号
FR686849(A)
申请公布日期
1930.07.31
申请号
FRD686849
申请日期
1929.03.08
申请人
发明人
FONTAI LOUIS-EUGENE-EDMOND-;ORCEL JEAN-MARIE
分类号
F23C99/00
主分类号
F23C99/00
代理机构
代理人
主权项
地址
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