发明名称 One-piece roofing tile
摘要 A roofing tile of the simulated Spanish or mission type comprises a thin sheet of material formed to define a double convoluted panel having an upslope end with an upturned locking flange and groove at the upslope end and a downturned locking groove and flange at the down slope end, and locking lip and overhang on opposite side edges of the roofing tile.
申请公布号 US4084365(A) 申请公布日期 1978.04.18
申请号 US19770769896 申请日期 1977.02.18
申请人 READ, JOHN CECIL 发明人 READ, JOHN CECIL
分类号 E04D1/06;E04D1/08;(IPC1-7):E04D1/00 主分类号 E04D1/06
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