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Individual
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Individual
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Priority to ES9000214ApriorityCriticalpatent/ES2020394A6/en
Publication of ES2020394A6publicationCriticalpatent/ES2020394A6/en
Beam which consists of a structure from cement 1, which may or may not be reinforced, one outer surface of which is defined by an impermeable sheet 2 intended to protect the cement structure against moisture and/or the corrosive action of external agents. The protective sheet is anchored to the underlying structure and to the lateral ends 4, being embedded therein in order to make the coupling stable.
ES9000214A1990-01-241990-01-24Process for making the surface of a roof beam impermeable and beam thus obtained
Expired - LifetimeES2020394A6
(en)