发明名称 Prefabricated cover over building opening - has reinforcement fixed in supporting strips protruding from end pieces
摘要 <p>The prefabricated cover with top and bottom surfaces and side and end faces is for use over an opening in a building, and comprises a component with reinforcement. Part at least of the reinforcement (8-10) is fixed in holes (12,13) in supporting strips (11) protruding from the end faces (6,7). The top surface (2) is coated with bitumen (14) or similar material. The end faces and protruding strips can be similarly coated.</p>
申请公布号 NL9000979(A) 申请公布日期 1991.11.18
申请号 NL19900000979 申请日期 1990.04.24
申请人 KONINKLIJK VERBOND VAN NEDERLANDSE BAKSTEENFABRIKANTEN TE DE STEEG. 发明人
分类号 E04C3/02 主分类号 E04C3/02
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