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发明名称
Perfectionnements apportés aux surfaces portantes telles que planchers parois, etc., et aux procédés pour les établir
摘要
申请公布号
FR1112294(A)
申请公布日期
1956.03.12
申请号
FRD1112294
申请日期
1954.10.07
申请人
发明人
DUBOIS LEON-JOSEPH
分类号
E04B5/29;E04B5/40
主分类号
E04B5/29
代理机构
代理人
主权项
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