EEE

ECSS-E-ST-10-02C
electronic electrical and electromechanical

ECSS-E-ST-10-12C
electrical and electronic engineering

ECSS-E-ST-31C
electronic, electrical, electromechanical

ECSS-Q-ST-10-09C
electrical, electronic, electromechanical

ECSS-Q-ST-30C
electrical, electronic and electromechanical

ECSS-Q-ST-60-14C
electronic, electrical and electromechanical