General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) - Part 1: General requirements (english version)
Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) -- Part 1: General requirements (IEC 63044-1:2017) (english version)
Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) -- Part 1: General requirements (IEC 63044-1:2017) (english version)
