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
90.20
Početak postupka preispitivanja standarda
15. 1. 2026.
OBJAVLJEN
ISO 337:1981/Cor 1:1990
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