Specification for standard automatic roller-type coupling for semi-trailers of 7 tons to 14¾ tons laden weight
BS AU 30b:1970
Specification for standard automatic roller-type coupling for semi-trailers of 7 tons to 14¾ tons laden weight
Buy a printed copy from us with a 10% discount, or follow the link to purchase a PDF on the BSI website.
BSI Price (PDF/Printed): £134.00
Our Price (Printed only): £120.60