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E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
E04D3/06—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor
Menuiserie portant un vitrail et un vitrage isolant avec une lame d'air entre eux, permettant la mise en communication de la lame d'air avec l'air libre exterieur