BS450 | K7766 | BRITISH STANDARDS INSTITUTION |
BS450-1958TAB2-2 5-16BSWX3-4MS5- | K0195 | BRITISH STANDARDS INSTITUTION |
NEN1780A-BSW5/16X3/4-CUZN | H1266 | STICHTING NEDERLANDSNORMALISATIE-INSTITUUT |
BS450-1958TAB2-2-5-16BSWX3-4MS5- | K0195 | BRITISH STANDARDS INSTITUTION |