00482nam a2200145Ia 4500008004100000082001000041082000800051245013500059245000800194260000800202300000900210942000800219999001900227952009000246231017s9999 xx 000 0 und d a624.1 bBSI 0a"Stairs, Ladders and Walkways - Part 3: Code of Practice for the Design of Industrial Type Stairs, Permanent Ladders and Walkways" 0cBSI bBSI c30cm cREP c604042d604042 00104070aNITbNITd2023-10-17l0o624.1 BSIpNIT-2861r2023-10-17w2023-10-17yREP