BS450 | K7766 | BRITISH STANDARDS INSTITUTION |
BS450-1958TAB2-2 3-16BSWX1-2 4D- | K0195 | BRITISH STANDARDS INSTITUTION |
NEN1780A-BSW3/16X1/2-4.6-A2P | H1266 | STICHTING NEDERLANDSNORMALISATIE-INSTITUUT |
BS450-1958TAB2-2-3-16BSWX1-2-4D- | K0195 | BRITISH STANDARDS INSTITUTION |