GOST 31604-2020 Connecting devices. Devices for the connection of aluminium conductors in clamping units of any material and copper conductors in aluminium bodied clamping units. General requirements and test methods
2020GOST 31604-2020 Connecting devices. Devices for the connection of aluminium conductors in clamping units of any material and copper conductors in aluminium bodied clamping units. General requirements and test methods
2012GOST 31604-2012 Connecting devices. Devices for the connection of aluminium conductors in clamping units of any material and copper conductors in aluminium bodied clamping units. General requirements and methods of tests