Certificate pursuant to section 12 of the Weights and Measures Act 1985 : certification no. 2805 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade a pattern of a liquid flowmeter ... submitted by Hytek (GB) Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory (Great Britain)
Hytek (GB) Ltd.
Teddington : National Weights & Measures Laboratory,
2006.
Reference no. T1117/0018.