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E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
E04D3/36—Connecting; Fastening
E04D3/366—Connecting; Fastening by closing the space between the slabs or sheets by gutters, bulges, or bridging elements, e.g. strips
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FR924046D1946-02-211946-02-21Joint pour toitures en feuilles métalliques, feuille de couverture et toiture en comportant application
ExpiredFR924046A
(fr)