DIN EN ISO 6149-4:2017-12
Действует
Connections for fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 4: Dimensions, design, test methods and requirements for external hex and internal hex port plugs (ISO 6149-4:2017); German version EN ISO 6149-4:2017
— 21 стр.
