Weights of accuracy classes E1 E2 F1 F2 M1 from 50kg to 1mg
International Conference on Legal Metrology4th1972Paris.
Technology Reports Centre.
Great Britain.Department of Prices and Consumer Protection.
[Orpington] [Technology Reports Centre, Department of Industry for the Department of Prices and Consumer Protection]
[1975]
Parallel French text and English translation. - Second title page in French
Weights and measures