Certificate of EEC pattern approval of a measuring instrument issued by the Secretary of State for Trade and Industry... relating to non-automatic weighing instruments ... issued to Weighmaster Scales Ltd.
Great Britain.Department of Trade and Industry.
National Weights and Measures Laboratory.
Weighmaster Scales Limited.
Teddington : National Weights and Measures Laboratory,
1991.
Reference no. STD 5898
Weighing-machines