| 摘要 |
A prefabricated partition-wall element constituted by a parallelepiped-shaped plate of relatively great length as compared to its width, and comprising a rigid and resistant core covered with apparent facings of smooth coatings whose dimensions are equal to the largest dimensions of the element, said core being provided on its narrow faces and all along its periphery with sunk and raised portions provided in the material of the core and intended to ensure the binding with the adjacent elements subsequent to interposition of a binder.
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