Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP1977028419UpriorityCriticalpatent/JPS577711Y2/ja
Publication of JPS53123208UpublicationCriticalpatent/JPS53123208U/ja
Application grantedgrantedCritical
Publication of JPS577711Y2publicationCriticalpatent/JPS577711Y2/ja
E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
E04D3/40—Slabs or sheets locally modified for auxiliary purposes, e.g. for resting on walls, for serving as guttering; Elements for particular purposes, e.g. ridge elements, specially designed for use in conjunction with slabs or sheets