| http://www.w3.org/ns/prov#value | - The panels are of a type which undergo expansion and contraction due to changes in temperature, and they are applied to a building surface, such as a wall, by nails, screws, staples...http://www.google.es/patents/US5857303?utm_source=gb-gplus-sharePatente US5857303 - Apparatus and method of applying building panels to surfaces B???squeda avanzada de patentes N???mero de publicaci???nUS5857303 ATip
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