Certificate of EEC pattern approval of a measuring instrument issued by the Secretary of State for Trade and Industry ... SLK Engineering and Manufacturing Services Ltd. ... in respect of a road tanker meter measuring system for liquids other than water ....
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
SLK Engineering and Manufacturing Services Ltd.
Teddington : National Weights and Measures Laboratory,
1987.
Measuring instruments