Certificate pursuant to section 12 of the Weights and Measures Act 1985 certification no 2223/11 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade a pattern of a liquid flowmeter ... : submitted by Harpur Forecourt Services.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Harpur Forecourt Services (Firm)
Teddington : National Weights and Measures Laboratory,
1996.