发明名称 IMPROVING ROOFING TILES
摘要 An innovative roofing tile is presented, the roofing tile configured to allo w liquid such as rain to flow through the roofing tile. The innovative roofing tile allows the design of a roof with ahidden gutters. Such a roof is both esthetic and allows for a low-maintenance and robust gutter system.
申请公布号 CA2431451(A1) 申请公布日期 2002.06.13
申请号 CA20012431451 申请日期 2001.12.07
申请人 PORAT, OFER 发明人 PORAT, OFER
分类号 E04D1/30;E04D13/04;E04D13/076;(IPC1-7):E04D1/12 主分类号 E04D1/30
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