发明名称 Sun awning and intrusion prevention equipment - has two hatches forming ventilated space when open
摘要 <p>The combined sun awning and intrusion prevention equipment comprises two hatches, which when open form a ventilated space. The heat generated below the top one has no access to the window frame, the bottom one forming a barrier. When shut, the two hatches shut the window frame completely, protecting against break-ins and also providing thermal and sound insulation. The system can also be used for a garage door.FL.</p>
申请公布号 BE896625(A2) 申请公布日期 1983.09.01
申请号 BE19830896625 申请日期 1983.05.02
申请人 VAN AKEN LUCAS A.C.M. 发明人
分类号 E04F10/08;E06B9/06;(IPC1-7):04F/;06B/ 主分类号 E04F10/08
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