00503pamaa2200121 4500 0000004714 20090603090000.0 0580254143 TH1611 BRI 1996 BS EN10137-1 1996 plates and wide flats made of high yield strength structural steels in the quenched and tempered or precipitation hardened conditions : general delivery conditions. London: British Standards Institution, 1996. ii, 12p.: 30cm. Civil engineering -- Standards, Engineering