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IEC/TC 129
Robotics for electricity generation, transmission and distribution systems
IEC/SC 22F
Power electronics for electrical transmission and distribution systems
IEC/TC 115
High Voltage Direct Current (HVDC) Transmission for DC voltages above 100 kV
NA 032-02-04-06 AK
DIN 33821, Safety relief valves for gas transmission and distribution installations operating at working pressures up to 100 bar
CEN/TC 235
Gas pressure regulators and associated safety devices for use in gas transmission and distribution
NA 005-56-91 AA
Heat transmission (national mirror committee for CEN/TC 89 (partly), CEN/TC 89/WG 12 (partly), ISO/TC 163 (teilweise), ISO/TC 163/SC 2/WG 9 (without transparent components))
CEN/TC 235/WG 1
Safety shut-off devices, safety relief devices and small regulators with or without safety devices used in gas transmission and/or distribution.
NA 060-36-20 AA
Pumps, motors and integral transmissions
ISO/TC 131/SC 2 -dormant
Pumps, motors and integral transmissions
ISO/DIS 16823
Non-destructive testing - Ultrasonic testing - Through-transmission technique
