BOVEDILLAS, LADRILLOS, TEJAS Y BLOQUES DE ARCILLA COCIDA. DETERMINACION DE INCLUSIONES CALCAREAS
HOLLOW CLAY BLOCKS, BRICKS, ROOFING TILES AND BLOCKS OF COOKED CLAY. DETERMINATION OF CALCAREOUS INCLUSIONS
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CTN 136 - Clay products for construction
It is cancelled by: UNE 67039:1993 EX
