BS 1212-4:1991

Заменен

Float operated valves, Specification for compact type float operated valves for WC flushing cisterns (including floats) — 20 стр.

Заменен на

BS 1212-4:2016

ICS

91.140.60 Water. Including water meters in buildings / Системы водоснабжения. Включая счетчики воды в зданиях