发明名称 Internally reinforced insulating panel
摘要 Two elements consisting of semi-based foam and having hardened surfaces are stuck together over their entire faces. Specifically, a connecting element of the same material is placed between the two panels.
申请公布号 FR2029408(A1) 申请公布日期 1970.10.23
申请号 FR19690001759 申请日期 1969.01.29
申请人 MATRA ENGINS SPORTS 发明人
分类号 E04C2/20;E04C2/32;E04C2/40 主分类号 E04C2/20
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