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FR DE MATERIAUX ET PRODUITS HY
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FR DE MATERIAUX ET PRODUITS HY
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Publication of FR69943EpublicationCriticalpatent/FR69943E/fr
E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
FR69943D1956-06-151956-06-15Procédé et dispositif pour la fabrication de revêtements en feuilles
ExpiredFR69943E
(fr)