Objavljen
This second edition cancels and replaces the first edition (1973). Specifies the dimensions of the 50 coupling pin /dia. 50,8 mm (2 in)/ which is used for coupling semi-trailers to prime movers, taking into account the limitations of weight generally laid down by official requirements. Some figures illustrate shapes and the difference of types.
OBJAVLJEN
ISO 337:1981
90.60
Završetak postupka preispitivanja standarda
5. 6. 2026.
OBJAVLJEN
ISO 337:1981/Cor 1:1990