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发明名称
Bloc de construction permettant de réaliser des canalisations au-dedans des maçonneries et le conditionnement d'air des locaux
摘要
申请公布号
FR1010889(A)
申请公布日期
1952.06.16
申请号
FRD1010889
申请日期
1950.02.06
申请人
发明人
FERRARO ANGELO
分类号
E04B2/02;E04B2/42
主分类号
E04B2/02
代理机构
代理人
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