Prefabricated joist for the construction of floors and ceilings, characterized by being formed by solid prefabricated pieces of cellular concrete treated in an autoclave with density from 0''45 to 0''65 x cm3., being the central piece of rectangular shape of greater dimension and the two lateral ones also of rectangular form of smaller dimension but with their chamfered lateral corners. (Machine-translation by Google Translate, not legally binding)
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机译:用于建造地板和天花板的预制托梁,其特征在于,其由在高压釜中处理过的密度为0''45至0''65 x cm3。的蜂窝状混凝土预制件制成,是矩形的中央矩形件尺寸和两个侧面也为较小尺寸的矩形,但带有倒角的侧面角。 (通过Google翻译进行机器翻译,没有法律约束力)
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