发明名称 Door made of laminated lumber and having ventilating holes
摘要 A door made by assembling a plurality of laminas and having ventilating holes is disclosed. The door is provided with longitudinal and lateral ventilating holes, so that twisting and other deformation of the door is prevented.
申请公布号 US5119593(A) 申请公布日期 1992.06.09
申请号 US19910667133 申请日期 1991.03.11
申请人 BAE, SUNG-TAE 发明人 BAE, SUNG-TAE
分类号 E06B3/70 主分类号 E06B3/70
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