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Ver Deutsche Metallwerke AG
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Ver Deutsche Metallwerke AG
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Publication of FR775678ApublicationCriticalpatent/FR775678A/en
E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
E04D5/04—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of metal foils
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FR775678D1933-08-231934-07-10
Material for covering roofs, walls and other surfaces, made of corrosion-resistant metal or metal alloys such as copper
ExpiredFR775678A
(en)