Technical rule
[CURRENT]
ISO/TR 21704
ISO/TR 21704
Toughness of round steel link chains - Test with sub-size specimens
Title (German)
Zähigkeit von Rundstahlketten - Prüfung mit Kleinkerbschlagbiegeproben
Responsible national committee
NA 085-00-01 AA - Basic standards for round steel link chains, components and accessories