BS450 | K7766 | BRITISH STANDARDS INSTITUTION |
BS450-1958TAB2-2 3-8BSWX3-4 4DV- | K0195 | BRITISH STANDARDS INSTITUTION |
NEN1780A-BSW3/8X3/4-4.6-A2P | H1266 | STICHTING NEDERLANDSNORMALISATIE-INSTITUUT |
BS450-1958TAB2-2-3-8BSWX3-4-4DV- | K0195 | BRITISH STANDARDS INSTITUTION |