发明名称 ROOF CONSTRUCTIONS
摘要 A roof construction comprises interconnected corrugated panels and an insulated outer roofing, and the channels formed between the outer roofing the the corrugations of the panels are connected to a ventilating system for ventilating the roof.
申请公布号 US3633659(A) 申请公布日期 1972.01.11
申请号 USD3633659 申请日期 1970.01.16
申请人 SISENCA SA. 发明人 JARL-ERIK OHLSSON
分类号 E04D13/17;(IPC1-7):F24F7/06 主分类号 E04D13/17
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